15．It's 12:00now．It's time us have lunch．( )A．of, toB．to, forC．to, ofD．for, to——青夏教育精英家教网——

15．It's 12：00now．It's time us have lunch．（　　）

14．For your eyes，don't so much time playing computer games．（　　）

13．Do more exercise and stop junk food．You'll be fit and strong．（　　）

12．Tony is very and he enjoys doing all kinds of exercise after school．（　　）

11．My sister likes sweet food a lot．That's she often has a toothache．（　　）

10．-Have you read this interesting book？
-Yes．I it two weeks ago．（　　）

9．.-When your sister come here？
-Two years ago．She has been here for two years．（　　）

8．There are stars in the Galaxy．We can't count them．（　　）

7．-What do you think of the four classics （名著） of China？
-They are wonderful，but I've read of them．（　　）

6．Thank you ________ your timely help．（　　）

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