6．If you don't work hard.you won't pass the exam．——青夏教育精英家教网——

6．If you don't work hard，you won't pass the exam．

5．Alice is reading an English book under the tree．

4．I won't go to play football until my homework _________．（　　）

3．To keep our school clean，please _________ waste paper whenever you see it．（　　）

2．Since June 1^st，2008，all the supermarkets have stopped _________ free（免费）plastic bags．（　　）

1．Look at the black clouds．It _________ soon，I think．（　　）

	A．	rains		B．	rained
	C．	is rained		D．	is going to rain

20．Bill can't buy the new CD player _________ he has run out of his money．（　　）

19．-Would you like to watch TV or play computer games．
-_________．I'm busy with my housework．（　　）

18．_________ fishes were killed by the polluted water last year．（　　）

	A．	Millions		B．	Four millions
	C．	Millions of		D．	Four millions of

17．In our city，it's cold in January，but it's even _________ in February．（　　）

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