题目内容
9. I say,there is no reason why you shouldn't tell them that you are going.
A. in advance B. at length
C. in store D. in common
9. A in advance意为"事先，提前"，相当于ahead of time,符合题意。
练习册系列答案
相关题目
题目内容
9. I say,there is no reason why you shouldn't tell them that you are going.
A. in advance B. at length
C. in store D. in common
9. A in advance意为"事先，提前"，相当于ahead of time,符合题意。