--- How long do you think it’ll be I can go back to work?--- Well you’ll be feeling bet

问题补充：

--- How long do you think it’ll be I can go back to work?

--- Well, you’ll be feeling better by next weekend.

A. before

B. when

C. until

D. than

答案：

(答案→)A. before

B. when

C. until

D. than

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