4．Both China and Russia from their growing business ties over the past four decades．( )A．ha——青夏教育精英家教网——

4．Both China and Russia_________ from their growing business ties over the past four decades．（　　）

3．The strong wind ______ on the lake，so they decide to put off the dragon-boat race．（　　）

	A．	has been blowing		B．	blows
	C．	has blown		D．	blew

2．The house is dirty because it _____ since they moved out．（　　）

	A．	doesn't clean		B．	isn't cleaned
	C．	hasn't cleaned		D．	hasn't been cleaned

1．--Hurry up!Can't you drive faster，Jack？
--No．If I got _____ speeding ticket，my dad would take away my car．（　　）

20．The Boston Marathon bombings killed 3 people，including a Chinese citizen _____Shenyang．（　　）

19．Without joint efforts of all the members，we ______ our task in such a short time．（　　）

	A．	shouldn't accomplish		B．	shouldn't have accomplished
	C．	couldn't accomplish		D．	couldn't have accomplished

18．After graduation，Frank often thought of those who had helped him ______ his school life．（　　）

17．-Our physics teacher is as humorous as he is intelligent．
-It could never be ．I like him so much．（　　）

16．"It isn't the first time I at home，"he said frankly．（　　）

	A．	had spoiled		B．	have spoiled
	C．	had been spoiled		D．	have been spoiled

15．Although I didn't realize it at the time，I now believe I _______ the disaster without my friends．（　　）

	A．	should not survive		B．	must not have survived
	C．	can not survive		D．	would not have survived

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