It's a rule for all the students to their places ahead of 5 minutes waiting for
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It's a rule for all the students to _____ theirplaces ahead of 5 minutes waiting for the class to be started.
A．take up B．pick up C．keep up D．give up
试题答案
【答案】
A
【解析】
试题分析: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。
考点：考查动词短语辨析。