________ you have learned should be made good use of ________ making mistakes in the coming college entrance exam.
It ______ we had stayed together for a couple of weeks ______ I found we had a lot in common.
-Don't forget to return the book in two weeks.-______. Don't worry about it.
What a bargain! The price of this dress is_______ that of the skirt.
Some college students are seen doing _____work they can find to support themselves.
But for those interruptions, the meeting _____ half an hour ago.