说明一下：“ther”没有这个单词,应该是“they”
1.否定句：They aren't going to clean the huts.
一般疑问句:Are they going to clean the huts
2.否定句：They aren't going to clean the huts.
一般疑问句：Are they going to collect rubbish
3.否定句：There aren't going to prepare breakfast.
一般疑问句：Are they going to prepare breakfast
4.否定句：They are't going to cook dinner.
一般疑问句：Are they going to cook dinner
5.否定句：They are't going to cut the grass.
一般疑问句：Are they going to cut the grass