– May I play basketball with my friends now?– No, ______ you’ve finished your h

题型：不详难度：来源：

– May I play basketball with my friends now?
– No, ______ you’ve finished your homework.
A. since B. if C. unless

答案

解析

试题分析: 句意：我可以现在和我的朋友踢足球吗？不行，除非你已经完成了作业。Since自从if如果unless
除非。完成作业是踢足球的条件故选C。

举一反三

Don"t worry! I"ll send you an e-mail_______.

A．as soon as possible	B．as soon as possibly
C．as soon as can	D．as quick as possible

题型：不详难度：| 查看答案

I’m tidy , my sister is not.

A．and

B．but

C．under

D．always

题型：不详难度：| 查看答案

Tom likes dancing, he is a little quiet.

A．but

B．although

C．so

D．however

题型：不详难度：| 查看答案

Nothing can be done _______ he returns.

A．as

B．before

C．while

D．until

题型：不详难度：| 查看答案

Never eat food that stays over night, it tastes .

A．if, good

B．but, well

C．even though, good

D．even if, well

题型：不详难度：| 查看答案