As many five courses are provided, and you are free to choose ________ suits you best.
I’ve bought an English dictionary which you can ____ if you meet new words. A get toB come toC refer toD look up
Every possible means_____ been tried,and we find only______ this means can we do it well.
Because of too many differences between the two sides, a lot of questions are still left ________. A in the airB on the airC by the airD through the air
______ it is to learn English on the internet!
Would you____holding this box for me while I open the door?