Nearly a month had gone by ________ she showed some sign of giving in to her father.
| A．until | B．before | C．since | D．after |
. I ________ to go for a walk , but someone called and I couldn't get away .
| A．was planning | B．planned | C．had planned | D．would plan |
______ 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 |