This book __________ ten units，__________ three main revision.
| A．contains ； including |
| B．includes ； containing |
| C．contains ； containing |
| D．includes ； including |
______ Mr. Brown is waiting outside to see you . He appears to be quite ____ important person.
| A．/ ; an | B．A ; an | C．The ; the | D．The ; / |
.This washing machine is environmentally friendly because it uses _____ water and electricity than _____ models .
| A．less ; older | B．less ; elder | C．fewer ; older | D．fewer ; elder |
---- If you like I can do some shopping for you . ---- That’s a very kind _____ .
| A．offer | B．service | C．point | D．suggestion |
It is quite apparent that the aging population in China will cause _____ heavy pressure on ____ whole society in the future .
| A．a, / | B．/ ;/ | C．a ; the | D．/ ; the |
I ____ in London for many years , but I’ve never regretted my final decision to move back to China.
| A．lived | B．was living | C．have lived | D．had lived |