问题补充:
They when the teacher came in.
A. talk
B. are talking
C. to talk
D. were talking
答案:
A. talk
B. are talking
C. to talk
(答案→)D. were talking
解析:句意:当老师进来时,他们正在说话。结合语境可知主句描述的是过去某时正在进行的动作,故用过去进行时态。选D。
如果觉得《They when the teacher came in.A. talk B. are talkingC. to talkD. were talking》对你有帮助,请点赞、收藏,并留下你的观点哦!