l am doing my homework____my mother is cooking in the kitchen between 6:00 to 7:00 in the evening.

l am doing my homework____my mother is cooking in the kitchen between 6:00 to 7:00 in the evening.
A.before B.after C.while D.as soon as
---My father looks very tired today.
---Yes,l thank so.you know he works____today
A.a little B.too many C.quite a few D.a lot
Everybody needs water.Everything needs water.We use water to wash the bowls and clothes,and o___.Where does all water come from?Some rainwater goes into ground.many people get it from u___ the ground.lt runs in lakes ang rivers.many people get it t____.