—What are you mailing, Tom?
— A textbook a new method of teaching physics. I want my friends to take a look at it.
| A．is based on | B．based on | C．basing upon | D．which based upon |
The League secretary and the monitor____ asked to attend the .meeting this afternoon.
| A．is | B．was | C．are | D．is being |
Alice, together with two boys,____ for having broken the rule.
| A．was punished | B．punished | C．were punished | D．being punished |
Every means ____ tried but without any result.
| A．have been | B．is to be | C．are to be | D．has been |
The population of China ____ larger than that of .any other country in the world.
| A．is | B．are | C．has | D．have |
Over 80 percent of the population of China ____ peasants.
| A．was | B．is | C．would be | D．are |