题目内容
-What is your father doing now?
-He ________ the room.
| A.cleaned | B.cleans | C.have cleaned | D.is cleaning |
D
解析
练习册系列答案
相关题目
题目内容
-What is your father doing now?
-He ________ the room.
| A.cleaned | B.cleans | C.have cleaned | D.is cleaning |
D
解析