—Haveyouwateredtheplantsyet,Kathy?—Yes.I

問題詳情：

—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

知識點：相似 相近詞比較

題型：選擇題