He____know the answer, but I’m not sure.A. maybe B. may be C:may D. must
________English well,one must have a lot of practice.
—Why are you standing,Alice?—I can’t see the blackboard clearly.Two tall boys are sitting________me.
They have fun________games in the park.
English is my favorite subject,and I am good________it.
My father has a habit of jogging(慢跑)________the Jinchuan River for an hour in the morning.