He____know the answer, but I’m not sure.A:maybe B:may be C:may D:must
Lei Feng always _____ others first.
I have _______ money than you, but I have_______ friends than you.
You shouldn’t leave the door _____when you go out.
Jimmy is __________ of the two basketball players, but he is much __________.
There aren’t enough boxes. Would you please ________ones here?