—How long do you want me to heat the oil?
—Heat it till it to smoke.
| A．would begin | B．begins | C．will begin | D．began |
So far this year we _________ a fall in house prices by between 5 and 10 percent.
| A．saw | B．see |
| C．had seen | D．have seen |
The hotel wasn’t particularly good. But I _________ in many worse hotels.
| A．was staying | B．stayed |
| C．would stay | D．had stayed |
I don’t know ________ such a difficult matter.
| A．how to do with | B．what to deal with |
| C．how dealing with | D．how to deal with |
Mother bought me 3 books on English study, the second ________ I really liked.
| A．of that | B．of which | C．that | D．which |
– Your job ________ open for your return.
– Thanks.
| A．will be kept | B．will keep |
| C．had kept | D．had been kept |