17．In our life.we may fail many times.but we should never ．( )A．shut offB．give upC．take away——青夏教育精英家教网——

17．In our life，we may fail many times，but we should never_____．（　　）

16．We should do everything to protect it，______ we'll be punished and lose our home．（　　）

15．_____Liang Li is very busy，_____ she always helps others．（　　）

14．-Hi，Bob!I can't find my story book．Have you seen it？
-Sorry，I haven't．Why not ask Jim？Perhaps he's seen it _____．（　　）

13．The Green Great Wall can stop the wind_____ blowing the earth away．（　　）

12．-It smells terrible．What has happened here？
-Look，there is much waste gas _____ from the chemical factory．（　　）

11．-Kangkang does well in learning English．
-_____．He can talk with Michael in english．（　　）

10．-How much is the white coat？
-It's_____yuan．（　　）

	A．	one thousand，six hundred，eighty eight
	B．	one thousand and six hundred and eighty-eight
	C．	one thousand，six hundred and eighty-eight

9．We have planted _____ trees to make our city beautiful．（　　）

8．-Have you ________ been to Sanya？
-No，I have ________ been there before．（　　）

already，never

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