问题
Mike promised ______ hard from now on.
A:study
B:studying
C:to studies
D:to study
B:studying
C:to studies
D:to study
正确答案是:
同类题型
It’s good for you to _______ in class.— I think so. Thank you.
Is this _______ watch, Lily?— Yes, my father bought it for me yesterday.
To ____ nature is to help ourselves, or we will be punished.
Please look around. What can you see ______ your right?[ ]
There is 8-year-old boy playing Chinese chess with his friend in the classroom.