—Why are you so sad? —________ I can"t find my bike. [ ]A. So B. For C. And

题型：期末题难度：来源：

—Why are you so sad?
—________ I can"t find my bike.

[ ]

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

答案

举一反三

Sally is afraid of her teacher, ________ he is very strict.

[ ]

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

题型：河北省期末题难度：| 查看答案

Tom will come _______ you ask him.

[ ]

A. if
B. but
C. and
D. or

题型：江苏期中题难度：| 查看答案

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

[ ]

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

题型：期末题难度：| 查看答案

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