Don’t cross the road_______ the light turns green.[ ]A. as B. when C. while

题型：同步题难度：来源：

Don’t cross the road_______ the light turns green.[ ]
A. as
B. when
C. while
D. until

答案

举一反三

We have helped the animals in danger _______ it has still a lot of things to do . [ ]
A. so
B. and
C. but

题型：同步题难度：| 查看答案

We have helped the animals in danger __________ it has still a lot of things to do.[ ]
A. so
B. and
C. but
D. /

题型：同步题难度：| 查看答案

We arrived at Disneyland last Sunday._         ,we couldn’t get in.[     ]
A. and
B. because
C. however
D. so

题型：同步题难度：| 查看答案

Work harder, __________ you will make greater progress.[ ]
A. but
B. or
C. so
D. and

题型：同步题难度：| 查看答案

Hurry up, _____ we"ll be late for the class.[     ]
A. maybe
B. may be
C. and
D. or

题型：同步题难度：| 查看答案