—Haveyouwateredtheplantsyet,Kathy?—Yes.I

问题详情：

—Have you watered the plants yet, Kathy?

—Yes. I ________ that this morning.

A. will do                     B. did                          C. have done                D. was doing

【回答】

B

知识点：相似 相近词比较

题型：选择题