上海牛津初三英语复习,动词时态,改写句子专练,04年中考试卷精讲-英语
2. The letter____________(must post) at once.
3. Now many kinds of work____________ (can do) by robots. 4. ____________ the exercise-books____________ (must return) to the students tomorrow?
Key: 1. should be taken 2. must be posted 3. can be done 4. Must… be returned
III Rewrite the following sentences as required:
1. We can store a lot of information in the computer. (改为被动语态)
A lot of information ____________ ____________ stored in the computer.
2. We must keep the noise under 50 dbs(分贝) here. (改为被动语态)
The noise must ____________ ____________ under 50 dbs here.
3. It is possible that they will be late for the meeting. (保持原意不变)
They ____________ ____________ late for the meeting.
4. I’m sure that he is ill at home today. (保持原意不变) He ____________ ____________ ill at home today.
Key: 1. can be 2. be kept 3. may be 4. must be
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