On April Fool’s Day,you should be careful not to be ________ when others try to play tricks on you.[ ]

My dream is to build university on the moon some day.— It sounds like unusual dream. I wish you could realize it.

.Jack couldn’t answer the question_________ got the money.

I can’t say I’m the best. I have only ______ made moreefforts than others.

The newly-painted white tower looks magnificent __________ the blue sky