-Whenareyougoingtogiveatalkabout18thcenturyoilpainting?...

問題詳情：

-When are you going to give a talk about 18th century oil painting? 

 --I______ on that already.

A. speak  B. spoken C. have spoken D. had spoken

【回答】

C

知識點：動詞時態

題型：選擇題