20． a certain doubt among the parents as to the necessity of children's doing so much home-work——青夏教育精英家教网——

20．______a certain doubt among the parents as to the necessity of children's doing so much home-work．（　　）

19．---Why is your English so good，Amy？
---Well，my uncle gives me a hand at home，for he______in Australia for ten years．（　　）

has been living

18．He______his engagement just before the wedding．（　　）

broke away from

17．---Excuse me，could you tell me the time，please？
---Sorry，I don't have a watch with me．
---______（　　）

	A．	Thanks a lot		B．	What a pity
	C．	I'm sorry to hear that		D．	Thanks all the same

16．-Uncle Wang is in hospital．
-Oh，really？I ______．I ______go and visit him．（　　）

	A．	didn't know； am going to		B．	hadn't known； would
	C．	haven't known； will		D．	didn't know； will

15．It was at the entrance of the zoo ______he met his girl friend who had been to London for a better position．（　　）

14．Mr．Zhang gave all textbooks to all the pupils，except ______who had already taken them．（　　）

13．-Don't worry，Mum．The doctor said it was only the flu．
-______！I'll tell dad there's nothing serious．（　　）

Congratulations

12．I ordered a drink while I______ for my friends to come．（　　）

11．-Why not use the computers，Jack？
-Our computers _____ by a virus，so the engineer disabled all of them．（　　）

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