英语的连词成句，求大家了

not have i you for long a time seen 2.me lift help up desk to this 3.mary's yours is better handwriting than much 4.when everybody stood the teacher up entered classroom the 5.is which longest the river world the in

I have not seen you for a long time 我有好长时间没看到过你了

Help me lift up this desk 帮我把课桌抬起来

Mary's handwriting is much better than yours Mary的字比你的好多了

Everybody stood up when the teacher entered the classroom当老师走进教室时所有人都站起来了

Which is the longest river in the world? 在世界上哪条河最长

1. I have not seen you for a long time.

2. Help me to lift up this desk.

3.Mary's handwriting is much better than yours.

4.Everybody stood up when the teacher entered the classroom.

5.Which is the longest river in the world?