..1．More and more visitors around the world come to Shenzhen.2.You must pay attention in class.3．Tom studies harder than Jack.不,是用另一种英语方式复述.
问题描述：
..
1．More and more visitors around the world come to Shenzhen.
2.You must pay attention in class.
3．Tom studies harder than Jack.
不,是用另一种英语方式复述.
答
以下答案仅供参考：
1.More and more people around the world come to Shenzhen for visiting/More and more people around the world come to visit Shenzhen
2.You must listen carefully in class/You must concentrate your attention in class
3.Jack doesn't study harder than Tom/Tom spends more time studying than Jack