They think they’re right; ____, they are completely wrong.A．butB．althoughC．tho

题型：不详难度：来源：

They think they’re right; ____, they are completely wrong.

A．but

B．although

C．though

D．however

答案

解析

连词辨析.句意,他们认为他们是对的;可是,他们是完全的错了. but是并列名词，连接两个并列分句however不能直接连接两个分句，必须另起新句，并用逗号隔开。but 口语常用词，语气较强，泛指与前述情况相反。 however 表转折关系，语气稍弱于but，连接性也弱一些，因而常作插入语。选D.

举一反三

No hurry at all. The train will come in an hour；________, we can have lunch.

A．though

B．meanwhile

C．however

D．while

题型：不详难度：| 查看答案

Check your paper carefully to see ________ you have made any mistakes.

A．what

B．which

C．whether

D．that

题型：不详难度：| 查看答案

____ this may sound like a simple process, great care is needed．

A．Since

B．Once

C．Although

D．Unless

题型：不详难度：| 查看答案

I think you could complain, _______, of course, you are happy with the way thing s are.

A．unless

B．that

C．which

D．where

题型：不详难度：| 查看答案

The prediction from Maya worries residents _______ December 21, 2012 would be the end of the world.

A．if

B．that

C．whether

D．which

题型：不详难度：| 查看答案