根据要求完成句子：
有的人轻视盲人是不对的。
It’s wrong for some people____  the blind people.
你为什么不尽力帮助需要帮助的人呢？
Why not____ to help people in need.
孩子们可以自行组成4人一小队。
The children Can ____ a team of four.
当你去旅游时，你应该注意一下天气。
You should____ weather when you travel.
学生应该努力学习而不是玩电脑游戏。
The students should study hard ____ computer games.

① How much is it? ____     A. OK. Here you are.

② Can I try them on? ____     B. It's $89.

③ Is it too expensive? ____     C. It's very pretty.

④ How do you like this skirt? ____     D. Yes，it is.