[-A9] The pupils here _____ all kinds of exercises every day

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[-A9] The pupils here _____ all kinds of exercises every day in the last four weeks.
A.keep busy doing
B.keep on doing
C.have kept busy with
D.have been kept busy doing
翻译并分析

翻译：在过去的四周内,这里的小学生一直被使得每天忙于做各种各样的练习题.
1.短语“in the last/past + 一段时间”做句子时间状语时,意思是“在过去的一段时间内（截止到现在）”,要求句子必须采用现在完成时,排除AB；
2.句子主语pupils和keep之间明显是被动关系,即“小学生们是被使得做某事”的,排除采用主动结构的C,答案D为正解.
即：have kept (the pupils here) busy doing...
变成被动为：(the pupils here) have been kept busy doing.

[-A9] The pupils here _____ all kinds of exercises every day The pupils here ______ all kinds of exercises every day in t The students here ______ all kinds of exercises every day in The pupils here_all kinds of exercises every day in the past 33.It 's ___for the pupils to do morning exercises every day 同义句改写：Not all the people have sports every day _____ of the —The old woman exercises every day.(改为一般疑问句) —_____ the old Every day, in all kinds of weather, a lot of men and women g all kinds of food here---(be)nice. On _____ sides of the river are all kinds of flowers.A all B 初中英语. It 's ___for the pupils to do morning exercises every He does a lot of exercises every day.