Mr. Li was out of touch last week. The police ________ for him since.A．have bee

题干

Mr. Li was out of touch last week. The police ________ for him since.

A．have been searching	B．were searching
C．had searched	D．has searched

上一题下一题 0.64难度单项选择更新时间:2014-12-16 08:16:12

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