— I’m sorry that I can’t go to your party tonight.— ________? Haven’t we agreed on it?
Failure is never pleasurable, but it can make a positive contribution to your life ____ you learn to use it.
We all know that, ____, the situation will get worse.
The most important thing for Lucy is to find a proper job,____ in which she can bring her ability and potential into full play.
Mr. Obama noted that the ____ Christmas Day bombing was not the first time the group ____to attack America and its friends.
— Do remember to see a doctor tomorrow! — ____ .