问题
选择题
It's a rule for all the students to _____ their places ahead of 5 minutes waiting for the class to be started.
A.take up
B.pick up
C.keep up
D.give up
答案
答案:A
题目分析:A从事,进入或占据(位置);B拾起,捡起,接收信号,偶然学会;C保持;D放弃。句意:对于所有学生来说提前十五分钟就坐,等着上课是一种惯常的做法。由句意可知答案选A。