4．Nowadays food safety is a big problem and nobody can guarantee all foods are secure to us.but food——青夏教育精英家教网——

4．Nowadays food safety is a big problem and nobody can guarantee all foods are secure to us，but food produced in the normal companies is better．（　　）

3．Mr．Smith found it was ______ the kind of car he had been meaning to buy，so he called to ask the price．（　　）

2．If you study English seriously and regularly each day，your English vocabulary will________
increase．（　　）

1．By the end of last year，we ____ thousands of trees around our city．（　　）

	A．	planted		B．	had planted
	C．	would plant		D．	had been planted

20．-I'm sorry I stepped on your foot； it was an accident．
-It wasn't!You did it _________．（　　）

19．Lily checked the dress she _________ again to make sure that it would stand out．（　　）

18．He kept looking at her，wondering whether he her somewhere．（　　）

17．Mr．Green stood up ______ the 16-year-old boy，saying that he was not the one to blame．（　　）

16．When Rose opened the door，he saw a man standing there whom she______ before．（　　）

15．We first met in the Slender West Lake in 2010，and both of us felt immediately that we ________ each other for years．

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