TV,night,I,watching,at,was,10:00 pm,last(连词成句)
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.
Shared﹣bikes are very popular in some big cities.(改为感叹句)
shared﹣bikes are in some big cities!