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-(9)

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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