It was not until 1920 ______ regular radio broadcasts began.A．while　　　B．which

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It was not until 1920 ______ regular radio broadcasts began.

A．while　　　

B．which　　　　

C．that　　　　

D．since　　

答案

解析

略

举一反三

.______is a fact that English is being accepted as an international language.

A．There　　　

B．This　　　　　

C．That　　　

D．It

题型：不详难度：| 查看答案

― Would you like to come to the dinner party here on Saturday?
― Thank you. I’d love to, ______ I’ll be out of town at the weekend.

A．because

B．and

C．so

D．but

题型：不详难度：| 查看答案

--- I hear they aren’t pleased with the house you’ve chosen for them…
--- Well , _________ could they live in such comfort ?
A. where else B. what else C. how D why

题型：不详难度：| 查看答案

I had just stepped out of the bathroom ______ I heard the steps.

A．while

B．when

C．since

D．after

题型：不详难度：| 查看答案

—Have you known each other for long?
—Not very long, __________ we started to work in the company.

A．after

B．before

C．when

D．since

题型：不详难度：| 查看答案

It was not until 1920 ______ regular radio broadcasts began.A．while B．which