—Didanysignscomeupbeforetheearthquake?—Yes.Unusualthing...
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问题详情:
—Did any signs come up before the earthquake?
—Yes. Unusual things all those days, for example, a number of animals got out their homes.
A. happening B. were happening C. has happened D. had happened
【回答】
B
知识点:过去进行时及其被动式
题型:选择题