______ a little earlier, you could have caught the last bus.
| A．If you would arrive | B．If you arrived | C．Should you arrive | D．Had you arrived |
I, not you , _____ in the wrong. Not I but he _____been invited .
| A．were ; have | B．were ; has |
| C．was; has | D．was ; have |
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 |