单选题
Please ______ it that the door is locked before you leave.
A、
see through
B、
see to
C、
see into
D、
see after
【正确答案】
B
【答案解析】
see to it that一定注意到,务必;see through看穿,识破;see into调查,检查;see after照顾,负责处理。
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