Goldfishdon'tknow_____tothemthreesecondsago. [ ]A.whathappensB.whatishappeningC.whathappenD.wha

题目简介

Goldfishdon'tknow_____tothemthreesecondsago. [ ]A.whathappensB.whatishappeningC.whathappenD.wha

题目详情

Goldfish don't know _____ to them three seconds ago.

A. what happens    
B. what is happening   
C. what happen   
D. what happened
题型:单选题难度:中档来源:江苏同步题

答案

D

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