–Hi, Kate! --Hi, Mary. I ______ you are here. A. don’t know B. don’t think C, think D. didn’t know
Mr Smith, looking ______, started to work out a problem.
You’d better give up using that kind of medicine, because it may be ______ to your stomach.
Henry didn’t ask his mother to buy a car for him; ______ , he bought one for her.
I was about to have a shower______ the telephone rang at the bedroom.
To begin with, we learn how to______ our body when skating.