Many people see the computer as a “magic box”, and are not concerned with ______ it works.
In face of danger, we need to stay _______. Only in this way can we come up with good solutions.
— What about ______ bike?— Do you think it all right to buy him that bike as ______ birthday gift?
-Would you like to go the hospital to help the sick kids this Sunday?-________. I’ll be free then.
-Can you tell me _______ to travel to Dalian?-About two hours by plane.
Frank lives a simple life ________ he has lots of money.