You can leave these problems ________ us.

[　　]

从所给的四个选项中选择最佳答案

_______ of the four roads will take you to the post office．　　　

[　　]

A．Any　　　B．Neither　　　C．Both　　　D．Every

从所给的四个选项中选择最佳答案

If you don't work hard _______ you are young, you may regret ______ you are old．　　　

[　　]

A．while; when　　　B．when; while　　　

C．for; while　　　　D．because; for

从所给的四个选项中选择最佳答案

He_______ here by now, for he took the early bus．　　　

[　　]

A．ought to have arrived　　　B．must arrive

C．may have arrived　　　　 D．can arrived

从所给的四个选项中选择最佳答案

My parents live in the town which is about_______ walk from here．　　　

[　　]

A．three hours'　　　　B．a three-hour's

C．a three-hours'　　　D．three hours

从所给的四个选项中选择最佳答案

My father gave me_______ ．　　　

[　　]

A．a red and a yellow flower

B．a red and yellow flowers

C．a red and a yellow flowers

D．red and yellow a flower

从所给的四个选项中选择最佳答案

It's no use_______ a lot of books without ______ them．　　　

[　　]

A．buy, reading　　　　B．to buy, read

C．to buy, to read　　　D．buying, reading

从所给的四个选项中选择最佳答案

I was then busy with my report, or I _______ to her concert．　　　

[　　]

A．would go　　　 B．must have gone

C．should go 　　　D．would have gone

从所给的四个选项中选择最佳答案

I suppose you couldn't let me borrow your car this evening, _______?

[　　]

A．couldn't　　　B．could you　　　C．don't I　　　D．will you

从所给的四个选项中选择最佳答案

_______ he realized that they were presents from his patients．

[　　]

A．In a moment　　　B．In a minute　　　C．In a flash　　　D．In a sudden