Mom, what would you like, coffee or tea—_________. Just water,please.

Are you satisfied with her answer?-Not at all. It couldn’t have been _____.

________ he made up his mind to take a trip to Europe? –Last week when he got an unexpected reward.

________ students are required to take part in the boat race.

It was wrong of you to fromall your friends who helped you when you were in trouble．