合并句子1.we all like hot weather.she knows.2.they explained to us.they helped him learn japanese3.the teacher told her students yesterday.the sun rises in the east and sets in the west.4.the house was full of flowers.all of them found out.5.grandpa wang was lonely and say.no one felt.5.grandpa wang was lonely and sad.no one felt

1. She knows that we all like hot weather. 2.They explained to us that they helped him learn japanese 3the teacher told her students that the sun rises in the east and sets in the west yesterday. 4. all of them found out that the house was full of flowers 5. no one felt that grandpa wang was lonely

1.we all like hot weather.she knows.
She knows (that) we all like hot weather.
2.they explained to us.they helped him learn japanese
They explained to us that they (had) helped him learn japanese.
3.the teacher told her students yesterday.the sun rises in the east and sets in the west.
The teacher told her students yesterday that the sun rises in the east and sets in the west.
rises 的时态不要改。
4.the house was full of flowers.all of them found out.
All of them found out that the house was full of flowers.
5.grandpa wang was lonely and say.no one felt.
No one felt (that) Grandpa Wang was lonely and sad.

.the teacher told her students yesterday that the sun rises in the east and sets in the westall of them found out is that the house was full of flowersno one felt that grandpa wang was lonely and sad.