—Why do you look worried?—There are so many problems __________.
| A．remaining to settle |
| B．remained settling |
| C．remaining to be settled |
| D．remained to be settled |
The wet weather will continue tomorrow , when a cold front ______to arrive.
| A．is expected | B．is expecting | C．expects | D．will be expected |
. No decision____about any future appointment until all the candidates have been interviewed.
| A．will be made | B．is made | C．is being made | D．had been made |
—Have you read a book called Waiting for Anya?
--Who ___it ?
| A．writes | B．has written | C．wrote | D．had written |
The telephone ____ , but by the time I got indoors , it stopped .
| A．had rung | B．was ringing | C．rings | D．has rung |
. If the weather had been better , we could have had a picnic .But it ___all day.
| A．rained | B．rains | C．has rained | D．is raining |