She was putting on her watch when the _____ broke and it fell to the ground.
-May I trouble you with the question?-Sorry, but it is______my knowledge.
If you want to lead a happy life, you'd better learn to accept life_____it iS.
-Waiter?-______?Just a minute please.
One more week,______we will leave school and have a holiday.
He is no fool at all;_________,he is the smartest boy I have ever seen.