—David, are you listening to me?—Sorry, Dad. I ________ to make sense of what th

题干

—David, are you listening to me?
—Sorry, Dad. I ________ to make sense of what the reporter said.

A．was trying	B．have tried
C．am trying	D．tried

上一题下一题 0.65难度单项选择更新时间:2013-07-22 10:33:14

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