题目

They are over 500 people in the shopping mall at weekends.对over 500 提问
They are chatting with each other on the phons.对chatting with each other 提问
Some students spend much money on snacks every year.改同义句

提问时间：2020-07-25

答案

They are over 500 people in the shopping mall at weekends.对over 500 提问- How many people are there in the shopping mall at weekends
They are chatting with each other on the phons.对chatting with each other 提问- What are they doing on the phone
Some students spend much money on snacks every year.改同义句- Some students spend much money buying snacks every year.
或：It takes som students much money to buy snacks every year.
不明白的再问哟,请及时采纳,多谢 !