16．---How long have the twins this school?---For over a year．( )A．arrive atB．come toC．been ——青夏教育精英家教网——

16．---How long have the twins _________this school？---For over a year．（　　）

15．---I can't stop __________，doctor．
---For your health，I'm afraid you __________．（　　）

	A．	smoke； may		B．	smoke； have to
	C．	smoking； have to		D．	smoking； must

14．Goldfishremember（记住）things for three seconds．

13．I will ask the volunteers _____ me _____ the door．（　　）

to help； open

help； to open

12．Which floor do you live_____ and which flat do you live___？（　　）

11．--Have you decided ___________ the children in the poor areas？
--By sending them books and schoolbags．（　　）

	A．	how to help		B．	what to give
	C．	when to call		D．	how much to send

10．-Sir，would you mind my__________ before you？My taxi is waiting for me．
--Not at all．Take your time．（　　）

9．Spring comes，oldleaves（叶子） are falling down and the new ones are growing．

8．There is too muchtraffic（来往车辆） in this street every morning．

7．Just gostraight（径直） along the road，and you'll see the bookshop on your right．

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