2．The reason for your mistakes is because you lack confidence in yourself．because改为that．——青夏教育精英家教网——

2．The reason for your mistakes is because you lack confidence in yourself．because改为that．

1．Born into a big family，David brought up to value the sense of sharing．David后加was．

20．It is suggested that he took an umbrella with him in case of rain．took改为take．

19．Surrounding by a group of children，the old man went on with the story．Surrounding改为Surrounded．

18．It's generally accepted that air pollution isharmful （harm）to people's health．

17．But the pursuit of the American dream ________ quickly turn into a nightmare，experts warn，as many of these socalled parachute kids live in the US with little parental supervision．（　　）

16．Men are equally as good as women at taking care of others； better ________，male nurses can be a great help in keeping patients still when they are receiving painful treatment．（　　）

15．The Bank of England's announcement gave the stock market a ________ today．（　　）

14．Danny left word with my secretary ____________ he would call again in the afternoon．（　　）

13．Jack ___________ yet，otherwise he would have phoned me．（　　）

	A．	mustn't have arrived		B．	shouldn't have arrived
	C．	can't have arrived		D．	needn't have arrived

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