合肥职工科技大学大学英语 - 自考题库

出自:合肥职工科技大学大学英语

What ______ he doing last Sunday? A、 is B、 was C、 are D、 were

She is good ______ singing . A、 in B、 on C、 at D、 for

We won.t ______ free this evening. A、 is B、 are C、 be D、 being

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