They have cut down the trees on one side of the road．(改成否定句)
They                               down the trees on one side of the road．
She added one teaspoon of honey to the salad．(对划线部分提问)
honey did she add to the salad?
Tom often gets letters from his classmates though he has left school．(同义句转换)
Tom often                                 his classmates though he has left school．
明天夜间重庆将有雨。
There is going to                               tomorrow night in Chongqing