17．Parents often ask us water in our life．( )A．saveB．savinC．to saveD．saves——青夏教育精英家教网——

17．Parents often ask us _____ water in our life．（　　）

16．Mr Wang does what he can ________ us improve our English．（　　）

14．The basketball ________ I bought yesterday cost me 80yuan．（　　）

13．I many new friends since I came here．（　　）

12．-Why are you standing there，Kangkang？
-I can't see the blackboard clearly．Two tall boys are sitting me．（　　）

11．- are you going to Shanghai？
-I'm taking the plane．（　　）

10．-Hello!May I speak to Lucy，please？
-Sorry，I'm afraid you have the wrong ．（　　）

9．-Mike，I don't know ________ cartoon books．
-Why not buy some on the Internet？The books there are quite cheap．（　　）

8．-We'd better not buy cups or boxes which can be used only once．
-That's right．It will save energy and ________ waste．（　　）

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