Many students can"t answer these questions ______ their teacher explains them. [

题型：期末题难度：来源：

Many students can"t answer these questions ______ their teacher explains them.

[ ]

A. so
B. before
C. after
D. because

答案

举一反三

Jane, please turn off the lights _____ you leave the classroom.

[ ]

A. after
B. before
C. until
D. but

题型：同步题难度：| 查看答案

－Why do you like the dolphins very much?
－_______ they are interesting.

[ ]

A. For
B. Why
C. So
D. Because

题型：同步题难度：| 查看答案

Mr King wants to be a manager ______ it"s an exciting job.

[ ]

A. why
B. because
C. and
D. so

题型：同步题难度：| 查看答案

You will stay healthy _____ you do more exercise and eat healthily.

[ ]

A. if
B. how
C. before

题型：同步题难度：| 查看答案

I want to know _____ you will come back at 8:00 pm tomorrow.

[ ]

A. that
B. when
C. whether

题型：同步题难度：| 查看答案