单选题
11.
The children ______ happily in the classroom when the teacher came in.
A、
talk
B、
are talking
C、
were talking
D、
had talked
【正确答案】
C
【答案解析】
考查时态。sb. was/were doing sth. when...表示“某人正在做某事时,这时……”句意:老师进来时,孩子们正在教室里愉快地交谈。故选C。
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