问题
Coach，can I continue with the training?—Sorry，you can’t________you haven’t recovered from the knee injury.
A:until
B:before
C:as/T
D:unless
B:before
C:as/T
D:unless
正确答案是：
同类题型
He asked me, “Did you see my sister last night?” —-He asked me __________
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So absorbed _______ in her work that she didn’t realize it was time that she picked up her daughter.