We asked John and Jerry,but ________ of them could offer a satisfactory explanation.
| A．either | B．none | C．both | D．neither |
The great writer and professor____.
| A．is an old man | B．are both old men |
| C．is an old man and a young man | D．were two Chinese |
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 |