3．The teacher asked what was happening.but answered．We were all silent．( )A．everybodyB．nobody——青夏教育精英家教网——

3．The teacher asked what was happening，but ______ answered．We were all silent．（　　）

2．There are so many delicious food in the menu．I can't decide ________．（　　）

1．The environment will be worse and worse ________ we take action to protect it．（　　）

20．Dad，my watch is broken．Do you know how to fix it up？

19．They will try their best in the Dragon Boat Racing _____ they may fail．（　　）

18．We won't start the meeting _____ our teacher arrives．（　　）

17．She read the text loudly _____ all the students could hear her．（　　）

16．_____ Mary was doing her homework，her mother was cooking．（　　）

15．---What do you think of the book，Betty？
---It's a good one．Each time you read it，you will find ________．（　　）

14．---Would you like a cup of coffee or tea，Linda？
---_______．Just a glass of water，please．（　　）

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