В первой части нужен if, и зачем тире, запятая. Это сложные предложения, законы природы и т.д.
Ответ:
we didn't give him a book for his birthday
beth didn't talk to some people 2 hours ago
My mum wasn't in the bathroom five minutes ago
-hi
-hi
-who are you ?
-I am ....
-and what about you?
-I am ...
-how you know my friend?
- I know their from summer camp!
-what about your family?
-we are from Texas.
- and what about you?
- my mother works in the hospital.
- that's great! Bi!
-bi!
Check you.Eight rooms.Two shoes.Three kings.Four spoons.Eight cups.Two mugs.Eleven cows.Twelve birds.Eight of girls and boys.Five lakes.Eight pies.Two windows