We were on the point of discussing financial investment_____ the telephone rang

题型：不详难度：来源：

We were on the point of discussing financial investment_____ the telephone rang unexpectedly.

A．while

B．when

C．as

D．once

答案

解析

略

举一反三

His timely warning was_____ help us avoid being cheated.

A．so as to

B．such as to

C．so that

D．such that

题型：不详难度：| 查看答案

It is not until recently ______ the scientists have found proof of there being water on Mars.

A．when

B．that

C．how

D．what

题型：不详难度：| 查看答案

He warmly congratulated them on _____ they had achieved in science and technology.

A．that

B．where

C．what

D．which

题型：不详难度：| 查看答案

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

A．though

B．if

C．since

D．until

题型：不详难度：| 查看答案

_____ 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