题目内容
一Have you mended your bike，Bob?
一Yes，I______it twenty minutes ago.
| A．have mended | B．mend | C．had mended | D．mended |
D
解析试题分析：有时间状语twenty minutes ago可知该句的时态应用一般过去式，句意：---鲍勃，你已经修了你的自行车了吗？是的，我20分钟之前修的。结合语境可知选D。
考点：考查动词的时态。
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