. — What's that noise?—Oh , I forgot to tell you. The new machine ________A．was_刷题宝

题干

. — What's that noise?
—Oh , I forgot to tell you. The new machine ________

A．was tested	B．will be tested
C．has been tested	D．is being tested

上一题下一题 0.64难度单项选择更新时间:2014-11-11 08:11:22

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