This question is asking us if we were free last weekend. We respond yes or no and then use one of the adjective forms we learned in Chapter 5. In daily speech, it might sound more natural to not reiterate the topic (marked with ‘は’), but for the purposes of illustration, we will include it in our answer. We arrive at this answer (or its opposite, depending on preference):
いいえ、先週は暇じゃなかったです。
いいえ、せんしゅうはひまじゃなかったです。

This question is asking us if we were free last weekend. We respond yes or no and then use one of the adjective forms we learned in Chapter 5. In daily speech, it might sound more natural to not reiterate the topic (marked with ‘は’), but for the purposes of illustration, we will include it in our answer. We arrive at this answer (or its opposite, depending on preference):
いいえ、先週は暇じゃなかったです。
いいえ、せんしゅうはひまじゃなかったです。

This question is asking us if the test was difficult. We respond yes or no and then use one of the adjective forms we learned in Chapter 5. In daily speech, it might sound more natural to not reiterate the topic (marked with ‘は’), but for the purposes of illustration, we will include it in our answer. We arrive at this answer (or its opposite, depending on preference):
はい、テストは難しかったです。
はい、テストはむずかしかったです。

This question is asking us if the test was difficult. We respond yes or no and then use one of the adjective forms we learned in Chapter 5. In daily speech, it might sound more natural to not reiterate the topic (marked with ‘は’), but for the purposes of illustration, we will include it in our answer. We arrive at this answer (or its opposite, depending on preference):
はい、テストは難しかったです。
はい、テストはむずかしかったです。

‘暑い（あつい）’ is used to refer to hot weather, whereas ‘熱い（あつい）’ is used to refer to a hot thing, like food or a stovetop. ‘暖かい（あたたかい）’ can be used when you want to say that something (weather included) is pleasantly warm.
This question is asking us if it was hot yesterday. We respond yes or no and then use one of the adjective forms we learned in Chapter 5. In daily speech, it might sound more natural to not reiterate the topic (marked with ‘は’), but for the purposes of illustration, we will include it in our answer. We arrive at this answer (or its opposite, depending on preference):
はい、昨日は暑かったです。
はい、きのうはあつかったです。

‘暑い（あつい）’ is used to refer to hot weather, whereas ‘熱い（あつい）’ is used to refer to a hot thing, like food or a stovetop. ‘暖かい（あたたかい）’ can be used when you want to say that something (weather included) is pleasantly warm.
This question is asking us if it was hot yesterday. We respond yes or no and then use one of the adjective forms we learned in Chapter 5. In daily speech, it might sound more natural to not reiterate the topic (marked with ‘は’), but for the purposes of illustration, we will include it in our answer. We arrive at this answer (or its opposite, depending on preference):
はい、昨日は暑かったです。
はい、きのうはあつかったです。

This question is asking us if last week (or its activities) were fun. We respond yes or no and then use one of the adjective forms we learned in Chapter 5. In daily speech, it might sound more natural to not reiterate the topic (marked with ‘は’), but for the purposes of illustration, we will include it in our answer. We arrive at this answer (or its opposite, depending on preference):
いいえ、先週は楽しくなかったです。
いいえ、せんしゅうはたのしくなかったです。

This question is asking us if last week (or its activities) were fun. We respond yes or no and then use one of the adjective forms we learned in Chapter 5. In daily speech, it might sound more natural to not reiterate the topic (marked with ‘は’), but for the purposes of illustration, we will include it in our answer. We arrive at this answer (or its opposite, depending on preference):
いいえ、先週は楽しくなかったです。
いいえ、せんしゅうはたのしくなかったです。

‘晩御飯（ばんごはん）’ is very often written as ‘晩ご飯（ばんごはん）’ though you will see both forms used.
This question is asking us if last night’s dinner was delicious. We respond yes or no and then use one of the adjective forms we learned in Chapter 5. In daily speech, it might sound more natural to not reiterate the topic (marked with ‘は’), but for the purposes of illustration, we will include it in our answer. We arrive at this answer (or its opposite, depending on preference):
はい、昨日の晩ご飯はおいしかったです。
はい、きのうのばんごはんはおいしかったです。

‘晩御飯（ばんごはん）’ is very often written as ‘晩ご飯（ばんごはん）’ though you will see both forms used.
This question is asking us if last night’s dinner was delicious. We respond yes or no and then use one of the adjective forms we learned in Chapter 5. In daily speech, it might sound more natural to not reiterate the topic (marked with ‘は’), but for the purposes of illustration, we will include it in our answer. We arrive at this answer (or its opposite, depending on preference):
はい、昨日の晩ご飯はおいしかったです。
はい、きのうのばんごはんはおいしかったです。