______ it is required to follow the grammatical ruled when witting English,there are always some exceptions.
| A．Unless | B．while | C．As | D．Since |
Such poets as Shakespeare __________ widely read, of whose works, however, some __________ difficult to understand.
| A．are; are | B．is; is |
| C．are; is | D．is; are |
The population of Jiangsu __________ to more than twice what it was in 1949. The figure is now approaching 74 million.
| A．has grown | B．have grown |
| C．grew | D．are growing |
More than one kind of English __________ all over the world.
| A．is spoken | B．are spoken |
| C．is said | D．are said |
Barbara is easy to recognize as she's the only one of the women who ______ evening dress.
| A．wear | B．wears |
| C．has worn | D．have worn |
I,____ your friend, will try my best to help you out.
| A．who is | B．that is |
| C．who am | D．who are |