18．dangerous.play.street It's dangerous to play on the street．．——青夏教育精英家教网——

dangerous，play，street
It's dangerous （for children） to play on the street．．

homework，last night
He was doing homework at 9 o'clock last night．．

not，public
Don't smoke in public．．

15．我们必须在明天八点前到达火车站．
We mustarrive at/get to/reach the train station before 8：00tomorrow morning．

14．在很多领域，人们都广泛使用计算机．
Computersare widelyused in many areas．

13．Her daughter began to play _____ piano when she was five．Now she's very good at it．（　　）

12．Have you read the book _____ is about the moon？（　　）

11．We want to know _____to help them．（　　）

10．Nobody teaches me English．I learn it all by______．（　　）

9．-Excuse me．Could you please tell me ______？
-Sure．There's a bookstore on River Road．（　　）

	A．	where can I get a dictionary		B．	where could I get a dictionary
	C．	where I could get a dictionary		D．	where I can get a dictionary

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