11．If you have a chance to study abroad.you must catch it and remember Change always about ne——青夏教育精英家教网——

11．If you have a chance to study abroad，you must catch it and remember"Change always ______ about new possibilities．"（　　）

10．David has never read the book．（改为反意疑问句）
David has never read the book，hashe？

9．He used to _____ problems ____ English，but he can speak English very well now．（　　）

have，speaking

having，speaking

8．I almost forget the worst thing that _______ me last year．（　　）

7．-Hi，Lucy．Would you like to _________ with me in the shopping center this weekend？
-Certainly，I'd like to．（　　）

6．Scientists can't _________ on why we need to sleep（　　）

5．-Sam，our daughter has grown up．Should we do everything for her？
-Oh，dear．Let her _________ her own life．（　　）

4．We must do something useful to _______ pollution．（　　）

3．-I would rather _______ you the secret right now．
-Why not？（　　）

2．My mother often hears me _______ in my room．（　　）

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