单项选择题

She wrote back to him ________ she received his letter.
A、while
B、before
C、whether
D、as soon as

A.
A、while
B、before
C、whether
D、as
<上一题 目录 下一题>
热门 试题

单项选择题
He ________ a top London clinic yesterday for an operation on his knee.A、checked withB、checked outC、checked forD、checked into
A.
A、checked
单项选择题
目前，我国失业保险对失业者的生活保障是低水平的，一般仅相当于当地最低工资的()
A.20%-30%
B.30%-40%
C.40%-60%
D.60%-70%
相关试题