--- Hurry up. The bus is coming. --- Oh, no. We mustn’t cross the street

题型：不详难度：来源：

--- Hurry up. The bus is coming.
--- Oh, no. We mustn’t cross the street the traffic lights are green.

A．until

B．since

C．while

D．after

答案

解析

略

举一反三

Because of Einstein’s Theory of Relativity, scientists never again regarded the world .

A．as before they did	B．as they regarded before
C．as they did before	D．as they had before

题型：不详难度：| 查看答案

America"s car industry will continue to break down some progress is made to close the gap.

A．since

B．unless

C．because

D．though

题型：不详难度：| 查看答案

Go home right now — ______ your parents will worry.

A．though

B．but

C．however

D．otherwise

题型：不详难度：| 查看答案

I’m not sure whether John ______ his parents has arrived.

A．as well

B．as well as

C．as usual

D．as soon as

题型：不详难度：| 查看答案

The second-hand car Tom bought was very cheap. ______ it was in excellent condition.

A．Even

B．Although

C．Besides

D．While

题型：不详难度：| 查看答案