_____ quite recently, most mothers in Britain did not take paid work outside the

题型：不详难度：来源：

_____ quite recently, most mothers in Britain did not take paid work outside the home.

A．Before

B．Until

C．From

D．Since

答案

解析

略

举一反三

I have kept that portrait _____ I can see it every day, as it always reminds me of my university days in London.

A．which

B．where

C．whether

D．when

题型：不详难度：| 查看答案

You see the lightning _____ it happens, but you hear the thunder later.

A．the instant

B．for an instant

C．on the instant

D．in an instant

题型：不详难度：| 查看答案

They decided to chase the cow away _____ it did more damage.

A．unless

B．until

C．before

D．although

题型：不详难度：| 查看答案

_____ he works hard, I don’t mind when he finishes the experiment.

A．As soon as

B．As well as

C．So far as

D．So long as

题型：不详难度：| 查看答案

_____ you are familiar with the author’s ideas, try reading all the sections as quickly as you possibly can.

A．Now that

B．Ever since

C．So that

D．As long as

题型：不详难度：| 查看答案