Professor Tang didn’t give us a speech today．It was he had a traffic acci

题型：不详难度：来源：

Professor Tang didn’t give us a speech today．It was he had a traffic accident on the way to school．

A．that

B．when

C．why

D．because

答案

解析

考查连词的用法。句意：唐教授今天没有给我们做演讲，那是因为她在去学校的路上发生了交通事故。所以选D。

举一反三

a bad habit is formed, it will take a long time to get rid of it．

A．Ever since

B．While

C．Once

D．Even if

题型：不详难度：| 查看答案

red is a symbol of warmth, it can sometimes make people feel uneasy or even frightened.

A．As

B．While

C．If

D．Since

题型：不详难度：| 查看答案

________scores of times, but Derek still couldn’t understand how to use past participle in a concrete situation.

A．Having explained	B．Having been explained
C．Though it was explained	D．It was explained

题型：不详难度：| 查看答案

—Did you get home a little earlier yesterday?
—No. It was six o’clock________ we got home.

A．that

B．when

C．since

D．after

题型：不详难度：| 查看答案

-- What’s your plan for this winter vacation?
-- I’ll take an express train to Dalian for my holiday ______ school ends．

A．while

B．until

C．immediately

D．unless

题型：不详难度：| 查看答案