1.We shouldn't walk because it is too far

Why shouldn't we walk?

2.They are going to stay there for a week

=> How long are they going to stay there?

3.Peter has three meals a day

=> How many meals does Peter has a day?

4.My mother is going to visit her friend this Sunday

=> When is your mother going to visit her friend?

5.His teacher is very young and nice

=> What is his teacher like?

6.We smell the noodles at the store

=> Where do we smell the noodles?

7.Her roommates are from Mexico

=> Where are her roommates from?

8.My brother is 170cm tall

=> How tall is your brother?