— Must I finish reading the book first?
— No, you ________. You may finish it tomorrow.
A:can't
B:mustn't
C:don't have to
D:shouldn't
下列不属于二氧化碳用途的是( )
“感受生命律动,聆听花开声音”实验中学开设了作物种植校本课程.同学们在校园“开心农场”种植了辣椒,并对栽培和生长过程做了观察记录.