—Can you tell me if Tom has finished his homework?
—I've no idea. He ________ it this morning.
A.has being doing | B.had done |
C.is doing | D.was doing |
相关知识点
推荐套卷
—Can you tell me if Tom has finished his homework?
—I've no idea. He ________ it this morning.
A.has being doing | B.had done |
C.is doing | D.was doing |