7．The two companies decided to work together they had common interest．( )A．becauseB．unlessC．b——青夏教育精英家教网——

7．The two companies decided to work together ______ they had common interest．（　　）

6．-______ I park my car here for a while？
-No，you mustn't．Do you see the sign"NO PARKING"？（　　）

5．The workers are busy _______ windows to the new building these days．（　　）

4．Vivian refuses ______ her children to the weekend training centre for extra classes．（　　）

3．Several journalists _______ the lawyer about the international case an hour ago．（　　）

had interviewed

2．-Do you know ______ a 5-day trip to Hong Kong costs？
-I guess it's about¥4，000．（　　）

1．Some exchange students _______ with their host families this time yesterday．（　　）

20．Nowadays people wish to have ______ food than before as their life improves．（　　）

19．Alex believes he will soon be able to play chess as ______ as the computer．（　　）

18．Did the policeman give much _______ on how to protect personal information？（　　）

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