full of pep
　　pepper
　　i'm very energized.
　　how much does that pen cost?
　　= how much is that pen?
　　what do you do? what does he do?
　　how much does that suit cost?
　　how much money is that suit?
　　how much is that suit?
　　how much money do the pencils cost?
　　dollar,cent
　　how much money do you have?
　　a sheet/piece of paper
　　a glass of water.
　　a cup of coffee.
　　write a paper.
　　buy a paper
　　how many books do you have?
　　how many students are there in the room?
　　have/has
　　there in/are
　　so so
　　there are 50 students in the classroom.
　　john cost值 ten dollars.
　　spent(spend)
　　you can used it.
　　the dress cost 20 dollars.
　　this hat cost her 13 dollars.
　　the car is expensive.
　　the car is inexpensive.
　　the price of the house is expensive.
　　the house is expensive.
　　do you have anything cheaper?
　　anything/something/everything/nothing
　　she is a beautiful girl.
　　i have a big mouth.
　　he has a big mouth=he is got a big mouth.
　　do you have anything important to tell me?
　　i have nothing important to tell you.
　　i have something good for you.
　　i don't study hard
　　he doesn't study hard.
　　there is nothing good to eat in that restaurant.
　　expensive/more expensive
　　important/more important
　　beautiful/more beautiful