—________ one and a half days enough for the painting to be finished?
—I don’t think it’s enough and only after _________ go on with it.
| A．Is;will be recover he can | B．Are;he recovers can he |
| C．Are;he recovers he can | D．Is;he recovers can he |
The girl had hardly rung the bell the door was opened suddenly, and her friend rushed out to greet her.
| A．before | B．until | C．as | D．since |
The boy has _____ a fine knowledge of geography by careful study.
| A．required | B．inquired | C．acquired | D．addressed |
I would appreciate ________, to be frank, if the goods could be delivered as soon as possible.
| A．you | B．it | C．that | D．myself |
—The weather has been very hot and dry.
— Yes. If it had rained even a drop, things would be much better now. And my vegetables.
| A．wouldn’t die | B．didn’t die | C．wouldn’t have died | D．hadn’t die |
A team of American scientists has found a treatment to protect humans from the deadly H5N1 flu virus, ________ brings great ________ to the world.
| A．that; appearance | B．which; relief | C．which; advantage | D．that; profit |