用There be 和现在进行时 完成一篇6~10句的短文 里面要有 of 和 must

There are a lot of things we must do this week.First,we have to clean the classroom.Then,we need to go to the nursing homes to take after old people.This makes sense in that we need to look after them as they are so pathetic.Finally,we must go to the park to enjoy the flowers.They are very beautiful.So we all would like to pay a visit there.