—Your composition is full of mistakes.
—I wish I _________more careful.
| A．would have been | B．had been | C．would be | D．were |
The factory used 65 percent of the raw materials, the rest of which _____ saved for other purposes.
| A．is | B．are | C．was | D．were |
One third of the country _____ covered with trees and the majority of the citizens _____ black people.
| A．is; are | B．is; is | C．are; are | D．are; is |
—I heard a bus accident happened yesterday.
—The bus crashed. Luckily, only a few passengers aboard were _____ injured in the traffic accident.
| A．slightly | B．approximately | C．exactly | D．gradually |
The news _____ the prime minister will pay a visit to our school next week has not yet being confirmed.
| A．when | B．whether | C．that | D．Why |
The old lady likes to keep things in the house, _____ throw them away, though many are useless.
| A．more than | B．but also | C．as if | D．rather than |