I can still remember the first day _____I spent at school _____it were yesterday.
| A．that, even if | B．which, even though |
| C．/, as if | D．when, as though |
—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 project __________ by the end of 2015 will greatly expand the city's telephone network.
| A．accomplished |
| B．being accomplished |
| C．to be accomplished |
| D．having accomplished |
)The drinking water in the village is heavily polluted by the chemical works nearby. And __________ with fresh and clean water, the locals appeal to the media.
| A．supplied |
| B．to be supplied |
| C．supplying |
| D．being supplied |
Having a trip abroad is certainly good for the old couple，but it remains __________ whether they will enjoy it.
| A．to see |
| B．to be seen |
| C．seeing |
| D．seen |
The continuous rain __________ the harvesting of the wheat crop by two months.
| A．set back |
| B．set off |
| C．set aside |
| D．set out |