I won’t pass the exam ______I work hard.A．wheneverB．becauseC．ifD．unless

题型：不详难度：来源：

I won’t pass the exam ______I work hard.

A．whenever

B．because

C．if

D．unless

答案

解析

根据句意：我将不会通过考试，除非我努力学习。whenever无论何时，because因为，if如果，unless除非。故选D。

举一反三

You have coughed for several days, Bill. Stop smoking,________ you’ll get better soon.

A．but

B．after

C．or

D．and

题型：不详难度：| 查看答案

I have two children, and ________ of them are working in the west of China.

A．all

B．both

C．neither

D．either

题型：不详难度：| 查看答案

Take the exam carefully, _______ you won’t get full marks.

A．but

B．and

C．or

D．so

题型：不详难度：| 查看答案

He was riding to school it began to rain.

A．as

B．so

C．while

D．when

题型：不详难度：| 查看答案

We won’t start the meeting our teacher arrives.

A．while

B．until

C．when

D．or

题型：不详难度：| 查看答案