One of the requirements for a fire is that the material ________to its burning temperature.
| A．is heated |
| B．be heated |
| C．would be heated |
| D．do heat |
Of the two, I would prefercamera, which is very easy for me to carry.
| A．a small | B．a smaller | C．the small | D．the smaller |
—What’s wrong with him?
—The picture he came acrosshis memory of a sad story in his childhood.
| A．put off | B．took off | C．set off． | D．gave off |
A brillia
nt idea occurred to him, ______ to his research in the lab.
| A．while devoting | B．while devoting himself |
| C．while he was devoted | D．while devoted |
He may not like my visit, but I shall go and see him _____.
| A．anyway | B．someway | C．though | D．therefore |
We are happy to know that our head teacher will be _____ to headmaster.
| A．lifted | B．raised | C．encouraged | D．promoted |