单选题
I knew I could not finish my homework ______.
A、
by he had come
B、
until he came
C、
when he comes
D、
before he comes
【正确答案】
B
【答案解析】
本题考查固定搭配。not…until“直到…才”。句意为：我知道直到他来我才能完成作业。
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