He"s worked here _______ the factory opened. [ ]A. before B. since C. after

题型：山东省期末题难度：来源：

He"s worked here _______ the factory opened.

[ ]

A. before
B. since
C. after
D. for

答案

举一反三

Tom didn"t come to school yesterday ______ he was very ill.

[ ]

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

题型：黑龙江省期末题难度：| 查看答案

It was already midnight _____ they arrived at the village at last.

[ ]

A. since
B. before
C. while
D. when

题型：山东省期末题难度：| 查看答案

What was he doing _____ you visited him?

[ ]

A. when
B. and
C. but

题型：山东省期末题难度：| 查看答案

______ I was doing my homework, my mother was cooking dinner for us.

[ ]

A. What
B. While
C. Because of
D. Then

题型：山东省期中题难度：| 查看答案

He didn"t go home _______ he finished his homework.

[ ]

A. when
B. if
C. until
D. that

题型：山东省期中题难度：| 查看答案