State the function of “s” in the following sentences. 1. Transport policy rests on the fundamental aims of promoting economic growth and higher national prosperity.
2. Benz’s three-wheeled engine-driven machine appeared on the streets in 1885.
3. We will work till it gets dark.
4. Finally, they go to a business trips abroad.
5. This heating affects the structure of various substances.

After a long day after school, I am finally home. At home I am always happy. I can do whatever I want and not worry about anything. I can eat but of course after that I have to do my homework. I have to help my mom do the laundry and wash the dishes. I have to take a shower and wash my face. I can check my phone and maybe watch some Youtube. Finally , I brush my teeth,say goodnight to my parents and go to sleep,so I can wake up the next day to go to school. There is a lot of things that I have to do, but I am still happy that I am at home.

1)yesterday my mom read to my little sister fairy-tale.-Did your mom read to her fairy-tale?-Yesterday my mom didn't read to her fairy-tale.2)Two days ago I saw him in supermarket.-Did you see him? I didn't see him in supermarket. .3)I ate ice-cream with my old friend.Did you eat ice-cream with your old friend?I didn't eat ice-cream with my old friend.4)my daddy began drive a bus . Did he know how to drive?He didn't drive a bus.5)My relatives bought me a car for my birthday.Did they buy for you a car? They didn't buy a car for my birthday.6)Alsu came to ask about yesterday.Did she come? She didn't come.7)Aida left her bag in classroom.Did she left her bag? She didn't left her bag.