—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 |
—I’ve been invited to a department party tonight. Are you going to come?
— Oh, I’d really like to, but I have a ton of work. ___________________.
| A．Thank you anyway | B．You’re welcome |
| C．All right. | D．With pleasure. |
The film Not One Less, ______ on a real story, is very instructive and well worth seeing.
| A．to base | B．be based | C．basing | D．based |
The reason ______ he gave for being late was _______ he forgot to set the alarm clock.
| A．which; because | B．why; because |
| C．which; that | D．that; because |
It was because he was ill ______ we decided to return home.
| A．why | B．that | C．when | D．where |
Laws are what keep society ______ and the nation at peace.
| A．in order | B．in need | C．in fact | D．in existence |