He smiled politely ______ Mary apologized for her drunken friends.
| A．as | B．if | C．unless | D．though |
—Do you know what people are saying about you?
—Of course I know. But _____ is true, and I don’t care.
| A．nothing | B．something | C．everything | D．none |
In our factory there are 2,000 workers, and two thirds of _______ are women.
| A．them | B．which | C．whom | D．who |
_____ the water run while you brush your teeth wastes water.
| A．Don’t let | B．Let | C．Not letting | D．Letting |
The fruit _____fresh in his fruit stand sells well.
| A．looking | B．looked | C．look | D．to be looked |
------Do you mind if I keep pets in this building?
------_____.
| A．You’d better not, actually. | B．Of course not, but it’s not allowed here. |
| C．Great! I love pets. | D．No, you can’t. |