10．I wonder whether buying an electric car a good idea．( )A．beB．amC．isD．are——青夏教育精英家教网——

10．I wonder whether buying an electric car ____ a good idea．（　　）

9．_____ earthquake recorded in the 20^th century occurred in Chile in 1960．（　　）

8．Any way to improve this‘welcome letter'-I want to make sure it sounds ____．（　　）

7．When _____ is dressed the same，worrying about what you look like isn't so important．（　　）

6．Mike has only driven to the pub to show _____ his new car-he usually walks．（　　）

5．---My car was badly damaged in the accident．
---________（　　）

	A．	It's a pleasure．		B．	How terrible!
	C．	Congratulations!		D．	That's a good idea!

4．---Would you mind passing me the salt？
---________（　　）

	A．	No，thanks．		B．	Don't worry．I will help you．
	C．	Not at all．Here you are．		D．	Yes，please．

3．Ladies and gentlemen，please ________ on the life vest before boarding the ship．（　　）

2．Some animals ________ change their skin colors to fit into the environment．（　　）

1．Great progress ________ in studying the new medicine for cancer （癌症）recently．（　　）

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