—How long are you staying?
—I don’t know. ______.
| A．That’s ok | B．It depends | C．Never mind | D．It doesn’t matter |
The landlady prefers to have women in the apartment rather than men. She thinks women take ______ care of things!
| A．well |
| B．good |
| C．better |
| D．best |
A person who has never tasted bitter won’t know ______ sweet is.
| A．which |
| B．what |
| C．when |
| D．why |
--- The professor gave a really good speech.
--- I suggest you ______ him some specific questions about his work experience.
| A．have asked |
| B．will ask |
| C．asked |
| D．ask |
The agent promised to keep the family members fully ______ of any developments.
| A．inform |
| B．informing |
| C．informed |
| D．being informed |
It was unusual that such close neighbors ______ not know one another.
| A．could |
| B．would |
| C．must |
| D．should |