----- “Where is Mother.”
------ “She is still in the kitchen. She _______ the housework all morning.”
A.is doing | B.was doing | C.has done | D.has been doing |
推荐套卷
----- “Where is Mother.”
------ “She is still in the kitchen. She _______ the housework all morning.”
A.is doing | B.was doing | C.has done | D.has been doing |