单项选择题

Before you leave the office，（）all lights are out.

A.see which
B.seeing that
C.to see that
D.see to it that

<上一题目录下一题>

热门试题

单项选择题

Through doing this，the teacher will be able to ascertain the extent to（）the children understand what they are reading.

A.how
B.which
C.that
D.what

单项选择题

Perseverance，modesty and opportunity are the （）factors for the girl’s success in her career.

A.contributed
B.contributing
C.contributor
D.contribution

相关试题