The fire, believed to due to illegal construction on the building’s roof, was brought under control after an hour.
| A．have occurred | B．occur |
| C．have been occurring | D．be occurring |
____ was in 1979 _____ I graduated from the university.
| A．That; that | B．It; that |
| C．That; when | D．It; when. |
It is no use ________ him to give up smoking．He won’t listen!
| A．to persuade | B．trying to persuade |
| C．persuading | D．try to persuade |
A number of students trees every year and the number of them increasing.
| A．plant; is | B．plants; is |
| C．planting; is | D．planting; are |
－ the football match?
－Class Three.
| A．Which team do you think will win |
| B．Do you think which team will win |
| C．Do you think will which team win |
| D．Which team will you think win |
Please ________ the numbers and I’m sure they will ________ more than 1,000．
| A．add; add up | B．add up; add up |
| C．add up; add up to | D．add to; add up |