4．The cleaners the street and it is quite clean now．( )A．are sweepingB．will sweepC．have swept——青夏教育精英家教网——

4．The cleaners the street and it is quite clean now．（　　）

3．The whole class did a good job，and made a mistake．（　　）

2．You must come 7：00o'clock．The meeting will begin then．（　　）

1．Was maths exam which we took yesterday difficult？（　　）

20．The final exam is coming．Our teachers tell us _____ time．（　　）

19．The people _____ helped us build our hometown are from Beijing．（　　）

18．Waste paper shouldn't _____ everywhere．It's our duty to keep our classroom clean．（　　）

17．The young should be allowedto achieve （achieve） their dreams on their own．

16．Thanks to yoursuggestions （suggest），l got to complete the job in time．

15．I was so hungry that I had athird （three） bowl of rice．

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