【1】I have a word book. Here________(it is / they are).

【2】Jim and his family ________(is / are ) going on a trip to the countryside.

【3】I________ ( feel / feels / feeling) sick.

【4】I was quiet, but now I'm very________(active/quieter) in class.

【答案】

【1】it is

【2】are

【3】feel

【4】active

【解析】

略