题目内容
He ________ at home all the morning.
- A.kept staying
- B.kept on staying
- C.kept to stay
- D.kept on to stay
A

练习册系列答案
相关题目
He ________ at home all the morning.
[ ]
A.kept staying |
B.kept on staying |
C.kept to stay |
D.kept on to stay |