9．Hard work and lack of sleep has her beauty and youth in recent years．( )A．worn outB．tried out——青夏教育精英家教网——

9．Hard work and lack of sleep has______her beauty and youth in recent years．（　　）

8．______ with a gradual rise of seawater，some nations in the Pacific are considering moving in the near future．（　　）

7．Restaurants in every corner of Tianjin not only provide job opportunities but ______ lots of taxes．（　　）

6．The dangerous virus ______ in the next few weeks in the laboratory can cause fatal diseases．（　　）

5．-Have you ever been to Beijing，our capital？
-Yes，only once．I ________ there only for two days．（　　）

4．Mary failed to be admitted by university last year，and only then ____ the importance of learning．（　　）

	A．	he finally realized		B．	he had realized
	C．	had he realized		D．	did he realized

3．-Excuse me，but I wonder if Joan is available at 1：30 this afternoon．
-I'm afraid she ____ Harry Potter and the philosopher's stone．（　　）

	A．	will watch		B．	will be watching
	C．	is to watch		D．	is watching

2．The teacher asked a difficult question，but Ted finally managed to ____ a good answer．（　　）

1．If the project ____ by the end of this year is delayed，the construction company will be fined．（　　）

	A．	is completed		B．	completed
	C．	is to be completed		D．	to be completed

20．____ by a greater demand for green products，the food company has set higher standards to ensure the quality．（　　）

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