_______Tom is very good at science, his brother is absolutely hopeless.A．WhenB．W

题型：不详难度：来源：

_______Tom is very good at science, his brother is absolutely hopeless.

A．When

B．While

C．As

D．If

答案

解析

略

举一反三

It’s none of your business _________ my private life is like.

A．how

B．what

C．when

D．which

题型：不详难度：| 查看答案

I’ll never forget our English teacher, _________ is a well-educated teacher, _________ we admire very much.

A．that; that

B．who; it

C．whom; this

D．who; one

题型：不详难度：| 查看答案

二、单项选择(每小题1分，共15分)
It is very strange that as many businessmen_________were present should have agreed to the stupid plan.

A．that

B．which

C．who

D．as

题型：不详难度：| 查看答案

_______unemployment and crime are high, it can be assumed that the latter is due to the former.

A．Before

B．Where

C．Unless

D．Until

题型：不详难度：| 查看答案

______ your plans look good, you still need to do some revision work on it.

A．If

B．Once

C．Although

D．Since

题型：不详难度：| 查看答案