why is it showing that crusing along but i have done all lessons in that?

when i am giving a chapter written test then i cant write on it when i click on them

I loved this lesson

 why they are not giving100% in basic needs chapter.

I have complet this chapter

 Why is it showing 100% when i am learning the chapter Basic Needs in science ,But when i go to change chapter it is showing 50%?

 why  we  shuold  eat   healthy  food........

 which is the most important need in are life ?

 which is the most important need in are life ?

How can toys and T-shirts be our wants?

whu dont u put videos in a big screen ??????

wonderful chapter !!!!

 Interesting chapter!!!!!Clothes,Home and Various Appliances.

 Interesting chapter!!!!!!Air,Food and Water.  

please give me some lines on topic- role of computers in a student's life

till 1 line to 20 lines could be okay. If more than that, then also good.

Please say in favour of it! Or against it!

 what clothes  we need in summer and winter