Mr Smith, looking ______, started to work out a problem.
A．puzzled, puzzling B．puzzling, puzzled
C．puzzled, puzzled D．puzzling, puzzling
You’d better give up using that kind of medicine, because it may be
______ to your stomach.
A．rude B．gentle C．harmful D．limited
Henry didn’t ask his mother to buy a car for him; ______ , he bought one for her.
A．what’s more B．on the contrary C．to be honest D．in a word
I was about to have a shower______ the telephone rang at the bedroom.
A．as B．when C．at the time D．and
To begin with, we learn how to______ our body when skating.
A．balance B．keep C．hold D．get
Computers are of great to the development of science and
technology.
A．benefit B．patience C．interest D．influence
