In aerospace devices the weight of the necessary power producing equipment is _____.
| A．vital | B．possible | C．capable | D．reliable |
The shop has been standing so ______ that a thief finds nothing to steal.
| A．quietly | B．lonely | C．empty | D．open |
You can’t be too careful; this kind of cloth_____.
| A．is washed easily | B．isn’t washed easily | C．washes easily | D．doesn’t wash easily |
---I think you should telephone Jenny and say sorry to her.
----______________. It’s her fault.
| A．Not possible | B．Not chance | C．No matter | D．No way |
I’d rather have a room of my own, however small it is, than ___ a room with others.
| A．to share | B．to have shared | C．share | D．sharing |
Some researchers believed that there is no doubta cure for AIDS will be found.
| A．which | B．that | C．what | D．whether |