问题 选择题

As long as you stick to it,you’ll make progress ________.

A.in time

B.at a time

C.at one time

D.on time

答案

A

in time及时,总有一天;at a time每次;at one time从前,曾经;on time按时。

选择题
单项选择题 A3/A4型题