17．-My uncle hasn't been back to our hometown for years．- ．He must miss his family very much．——青夏教育精英家教网——

17．-My uncle hasn't been back to our hometown for years．
-________．He must miss his family very much．（　　）

16．Be careful!Don't walk on the grass，________ it will"cry"．（　　）

15．Look at the"No Photos"sign．You ________ take photos in the art museum．（　　）

14．To keep children away from danger，we warn parents ________ children at home alone．（　　）

13．Computers are very useful．They can help us get much ________ on the Internet．（　　）

12．-What's the meaning of"One Belt and One Road"？
-Let me ________ the words in the new dictionary．（　　）

11．The volunteers ________ a lot of help to the old and the young since 2010．（　　）

10．Of all the drinks，tea is ________ in the world．It has a history of about 5，000 years．（　　）

9．For our safety，we must ________ the traffic rules on the way to school．（　　）

8．-Reading is a good way to spend the time on the plane．
-That's true．I never go travelling ________ a book．（　　）

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