It wasn't until nearly a month later________I received the manager's reply .
. I ________ to go for a walk , but someone called and I couldn't get away .
______ Mr. Brown is waiting outside to see you . He appears to be quite ____ important person.
.This washing machine is environmentally friendly because it uses _____ water and electricity than _____ models .
---- If you like I can do some shopping for you . ---- That’s a very kind _____ .
It is quite apparent that the aging population in China will cause _____ heavy pressure on ____ whole society in the future .