A.in | B.on | C.at |
A.for | B.to | C.at |
A.These books are WuYifan and ChenJie's. They are ours. | B.Those books are WuYifan and ChenJie's. They are theirs. |
A.Thank you. | B.Great. |
A.in | B.on | C.the |
A. | B. |
A.When do you have an English class? | B.Do you have an English class? |