句型转换She often does her homework after dinner.(改为否定句）
She her homework after dinner.My name is Sandy.(改为一般疑问句，并做肯定回答）
name Sandy? Yes， .It means ‘Danger’(对画线部分提问)
it ?1 can get to the Art Museum by taxi.(对画线部分提问）
you get to the Art Museum?My comb is on the sofa now.(用 last week 代替 now)
My comb on the sofa last week.I’m 160 centimeters. Jack is 160 centimeters，too.(用 as……as 合并一句）
I’m as Jack.
We will hold a class meeting to talk about team work next Friday．（改为被动语态）
A class meeting will to talk about team work next Friday．
Grace does online shopping four times a month．（对划线部分提问）
does Grace do online shopping？
John went to church with his brother last Sunday moring．（改为否定句）
John to church with his brother last Sunday morning．
PM 2.5 does harm to people's health and the environment．（保持句意基本不变）
PM 2.5 is people's health and the environment．
"Have you ever been in a hot air ballon？"Melissa asked her mom．（改为宾语从句）
Melissa asked her mom she ever been in a hot air balloon．