单句改错（共5小题，共5分）
【小题1】Each boy and each girl were given a chance to pete in the game.
【小题2】Mary mustn’t be in the library, for she went to the hospital with her mother just now.
【小题3】Great changes have been taken place in my hometown in the past ten years.
【小题4】Seeing from the spaceship, the earth is a huge water globe.
【小题5】It’s very cold outside. You’d better to put on more clothes.were 改为 was
网友回答
(答案→)were 改为 was
解析：
【小题1】each/every/no 单数名词+each/every/no 单数名词 单数谓语动词；
【小题2】can’t表示有把握的否定推测，意为不可能；
【小题3】great changes做主语时，不使用被动语态。
【小题4】the earth与see之间构成被动关系。
【小题5】had better后面加动词原形。