Tell John not to leave the house________he makes sure that all the lights are turned off. [ ]
A.
unless
B.
if
C.
once
D.
because
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参考答案:
举一反三
【简答题】先阅读短文,然后用下面方框中所给的单词或短语填空,使全文在逻辑上正确。(提示:选项中有一个是多余的。) habit / result / talk to / get over / sorry / mad I’d like to tell you a story about my best friend Jane. Last week in school we had a big fight, an...