88．It must be Carla's．(同义句转换)

It must 　　　　　　　　　　　Carla．

87．Teachers should allow us to do homework with friends．(同义句转换)

We should 　　　　　　　　　　　　to do homework with friends．

86．My sister had long hair in the past, but now she has short hair．(同义句转换)

My sister 　　　　　　　　　　　　　　　　　　　　long hair．

85．He studies by listening to tapes for a test．(就划线部分提问)

　　　　 　　　　　　he 　　　　　for a test?

76．He is a smart boy．He can answer this question 　　　　　　(easy)．

C)动词运用

Most of us have probably been angry with our friends, parents or teachers．Perhaps they said something you didn't like, or you 　77 　(feel) they were unfair．Sometimes, people can 　78　 (stay) angry for years about a small problem．Time 　79　 (go) by, and good friendships may be lost．

When we 　80 　(be)angry, we are usually the ones affected．Perhaps we have seen young children 　81 　(play) together．Sometimes they have disagreements and decide 　82　 (not talk)to each other．However, this usually does not last for long．This is an important lesson for us: we can solve a problem by 　83 　(learn) 　84　 (forget)．

75．In my family , my mother is 　　　　　(patient)than my father．

74．What’s happening? It's too 　　　　　(noise)outside．

73．I found a watch on the playground, but I don't know the 　　　　　(own)of it．

72．You shouldn't wear 　　　　　(ear)because you are still a student．

71．Parents should believe that their children can 　　　　　(success)in the future．