. --- I'm sorry. I ____________ the bike to you yesterday. But I was too busy at that time.
--- Never mind.
A.should return | B.should have returned | C.must return | D.may have returned |
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. --- I'm sorry. I ____________ the bike to you yesterday. But I was too busy at that time.
--- Never mind.
A.should return | B.should have returned | C.must return | D.may have returned |