题目内容
【题目】—I don’t go to work yesterday afternoon because my car broke down.
—You _______ mine. I wasn’t using it then.
might borrow
could have borrowed
must have borrowed
ought to borrow
【答案】B
【解析】could have done用于肯定句,意为“本来能够/可以做”,但事实上并未发生。
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