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素能提升演练（二十三）
必修5 Unit 3
Ⅰ. 用方框中所给短语的适当形式填空
take up; lose sight of; sweep up; slide into; speed up;
be back on one’s feet; be similar to; the instant
1. The man stood at the bank waving to his friends until he __________ their boat.
2. The boy __________ his bedroom without being seen by his parents.
3. Bob’s wife insisted that he should buy her a bag which __________ her friend’s.
4. The thief __________ when he realized that he was being followed by a police car.
5. Before moving into his new apartment, Peter had it __________.
