－What do you think we can do for our aged parents?
－You_______ do anything except to be with them and be yourself.
| A．don’t have to | B．oughtn’t to | C．mustn’t | D．can’t |
--- Im afraid I can not return the book to you before Friday
----____________.
| A．Dont be afraid . | B．Be careful |
| C．Forget it | D．Take your time |
When the expression first came into being, people refused to use it but _____ they began to accept it.
| A．usually | B．gradually |
| C．frequently | D．quickly |
Everybody has ______ to play _____ our environment.
| A．a part; to protect | B．a role; in protecting |
| C．part; in protecting | D．a role; to protect |
She pretended to be calm but _______she was more than nervous at the time she was being questioned.
| A．in actual | B．actually |
| C．as matter of fact | D．in a fact |
She didn’t come to his birthday party just ______what he had said to her the day before.
| A．because | B．because of |
| C．as result of | D．thanks of |