Li Lei often goes to school 7:30 in the moming. [ ]A. at B. for C. on D. of 题目和参考答案——青夏教育精英家教网—

1. My parents should allow me to study with friends.(改为同义句)
    I should ______ ______ to study with friends.
2. They oft en clean their classroom after school. (改为被动语态)
    Their classroom ______ often ______ by them after school.
3. Li Lei gave Tom a new pen last week. (改为被动语态)
    A new pen ______ ______ ______Tom last week.
4. It took him ten years to finish writing the book. (改为同义句)
    He ______ ten years ______ the book.
5. They will publish these story-books next month. (改为被动语态)
    These story-books ______ ______ ______ next month.

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