单项选择题

We sent the letter by air （） it might reach them in good time.

A. if
B. so that
C. since

<上一题 目录 下一题>
热门 试题

单项选择题
They climbed higher （） they might get a better view of the city.

A. so that
B. because
C. in order to
单项选择题
______, my father came back home.
A. While I was reading the book
B. When reading the book
C. Having read the book
相关试题