It is thought that one billion people I the world, ________is half the word’s workers, earn their living by farming.
| A．if | B．that | C．which | D．what |
It is said that the iron and steel works _____not far from here, but now there ______no means of finding it out.
| A．is ; is | B．are ; are | C．are ; is | D．is ; are |
In my opinion, mathematics _____fun, but more than 80% of the group _____agree with me.
| A．are; don’t | B．isn’t; don’t |
| C．are; doesn’t | D．is; doesn’t |
Twenty years _____ passed since I came to this school, but I feel twenty years _____a short time in my life.
| A．has; are | B．have; is |
| C．has; is | D．have; are |
---- What do you know about the population of China?
---- It _____ over 1,200 million and 80 percent of it _____ peasants.
| A．is; is | B．are; are | C．are; is | D．is; are |
It will take _____ time to finish the project.
| A．one and a half months’ | B．a month and a half |
| C．one and a half month’s | D．a month and half’s |