—These things are not useful to anyone, are they?
—______. We can throw them away.
| A．Yes, they are | B．Yes, they aren’t |
| C．No, they aren’t | D．No, they are |
She is not on good terms with Mr. Smith; ______even if invited she would not attend his party.
| A．otherwise | B．however | C．besides | D．therefore |
They think the room is________, but as a matter of fact it is already occupied.
| A．vacant | B．bare | C．blank | D．hollow |
It is common knowledge that washing wool in hot water will make it________.
| A．change | B．shrink | C．slim | D．dissolve |
—Can you help me with this question, Tom?
—Sorry, it is beyond my________.
| A．power | B．strength | C．force | D．energy |
Air is________and of no smell but we can feel its motion when there is a wind.
| A．unavoidable | B．unavailable | C．unaccessible | D．invisible |