5. It’s time for us ______________ our differences and work together for a common purpose.

4. She is very upset. ____________ for a few minutes.

3. ______________, I saw an old friend of mine, whom I haven’t seen for years.

2. The model must _______________ before we put it into mass production.

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leave sb alone　　　 turn around　　　　　 test out

set aside　　　　　 ring up　　　　　　　 smooth away　　　　

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1. How many people ___________ while I was out?

7. 祝贺某人某事 __________________ 8. 上气不接下气 ______________

Unit 2

5. 特别 _______________　　　　　　 6. 在于 ________________

3. 取笑 _______________　　　　　　 4. 一切顺利 _______________

1. 换句话说 _______________　　　　 2. 总而言之 _______________

7. harmful ______________ (反义词)