Students can easily fall behind in their studies ____ they don’t manage their sp

题型：不详难度：来源：

Students can easily fall behind in their studies ____ they don’t manage their spare time carefully.

A．though

B．if

C．since

D．until

答案

解析

略

举一反三

_____ he is very busy, he spends at least two hours every day surfing the Internet in order to find out the latest development in science and technology.

A．Even though

B．When

C．Unless

D．Whether

题型：不详难度：| 查看答案

___ she will come or not depends on her mood.

A．Whether

B．If

C．When

D．That

题型：不详难度：| 查看答案

There is nothing ___ two chairs in the room.

A．beside

B．but

C．except that

D．of

题型：不详难度：| 查看答案

Though Jim bought his wife a set of combs, ___ it was of no use.

A．so

B．but

C．/

D．and

题型：不详难度：| 查看答案

We should try every effort to prevent violence from happening at school, ______ more and more students would drop out of school ______ their personal safety could not be guaranteed.

A．though; if only

B．though; so long as

C．for; now that

D．for; if

题型：不详难度：| 查看答案