By the time the course ends, a lot about each other. [ ] A.we'll learnB.we are g
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![By the time the course ends, a lot about each other. [ ] A.we'll learnB.we are g](/pic/43_997876.jpg)
By the time the course ends, ________ a lot about each other.
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A.we'll learnB.we are going to learn C.we have learntD.we'll have learnt试题答案
答案:D