Do you know the farmer under the big tree?
A．lied B．laid C．laying D．lying
The ____ boy was last seen ______ by the lake.
A missing, playing B．missing, play C． missed, played D．missed , to play
—There is likely to be heavy rain tomorrow.
—_______, we’ll have to change the plan for the outgoing．
A．If so B．If not C．Unless so D．Unless not
People have realized that they should go on _____ balanced diet and do _____ exercise every day.
A．a; / B．the; an C．the; the D．/; an
随着我国经济的发展与对外开放程度的提高，越来越多的学子走出国门留学深造。根据下面的提示，请你以“Studying Abroad”为题，写一篇120词左右的文章。
内容提示：
.1. 出国留学的优点：开阔视野；体验当地的风情，交更多的朋友；更快更好地掌握一门外语。
.2. 出国留学的缺点：语言障碍不利于学习；费用高昂，而花大量时间打工又会影响学习。
参考词汇：语言障碍language barrier；足够的adequate
Studying Abroad
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I was about to go to bed _____ one of my old classmates made a call to me.
A. when B. as C. while D. that
