问题
She volunteers her time _____ help Xiao Lin with his English. [ ]
A: for
B: to
C: off
D:at
B: to
C: off
D:at
正确答案是:
同类题型
There will be _______ space for living things on earth.
He told me that he ______ never ______ such a good film before.
There is the difference ___ Chinese food and American food. [ ]
What did the teacher say just now? — Sorry, I didn’t hear it. I out of the window.
Listen ! Helen is singing in the next room.—It __________ be Helen. She is in Tianjin now.