You’d better come back earlier _______ it is getting colder.A．asB．andC．butD．or

题型：不详难度：来源：

You’d better come back earlier _______ it is getting colder.

A．as

B．and

C．but

D．or

答案

解析

略

举一反三

He was walking along the sands _______ he saw a big foot-print in the sand .
A. while B. when D. as D. after

题型：不详难度：| 查看答案

_______ he was sleeping , they stole his clothes.

A．While

B．When

C．As

D．Which

题型：不详难度：| 查看答案

Jack was very tired _______ he played tennis all afternoon .

A．if

B．as soon as

C．because

D．before

题型：不详难度：| 查看答案

______ he finished his work , he left hurriedly.

A．As soon as

B．As if

C．Unless

D．In order that

题型：不详难度：| 查看答案

You’ll surly make progress _______ you work with a strong will.

A．unless

B．until

C．as long as

D．as well as

题型：不详难度：| 查看答案