判断以下英语句子的正误,原因?

题目

判断以下英语句子的正误,原因?
1.Would you please feed my fish while I am out?
2.The radio says it will be snow tomorrow?
3.They are the trees planted last year.

答案

1.对.would you please do sth,feed my fish 喂鱼while I am out 当我外出的时候2.第二句应该是陈述句.句子是对的.The radio says （that）it will be snow tomorrow.3.还是对的.planted是过去分词作后置定语.实际上...