题目内容
Time presses;they can’t finish the task in time________ we come to their help.
A.when B.unless C.without D.until
B 该空表示“除非”,应填unless引导条件状语从句。
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题目内容
Time presses;they can’t finish the task in time________ we come to their help.
A.when B.unless C.without D.until
B 该空表示“除非”,应填unless引导条件状语从句。