We be too careful while dealing with these social problems.
| A．may not | B．needn’t |
| C．cannot | D．mustn’t |
Can you give me some __________，please？（ ）
| A． |
message |
B． |
suggestion |
C． |
advice |
My mother doesn't allow me _______outside too late on school nights．（ ）
| A． |
to stay |
B． |
stay |
C． |
staying |
Here is a banana， please___________．We'll make a banana milk shake．（ ）
| A． |
cut them up |
| B． |
cut up it |
| C． |
cut it up |
This is my ____________day to be here．（ ）
| A． |
a second |
B． |
the second |
C． |
second |
People are supposed____________ hands when they meet for the first time in America．（ ）
| A． |
shaking |
B． |
to shake |
C． |
shake |