Some friends tried to settle the quarrel between Mr. and Mrs. Brown without hurting the feeling of _____ , but failed .
Human beings are different from animals _____ they can use language as a tool to communicate.
The house prices fell sharply at the end of last year, but ______ at the beginning of this year.
Sam has been appointed_____ manager of the engineering department to take _____ place of George.
一You really appreciate John Lenon’s performances, don’t you? 一______ I just like his soft voice.
I will stay at home to play chess on the computer _____ it snows tomorrow.