I think there _____(be) fewer trees next year.
He _____ (collect) 300 pictures since 5 years ago.
Sam always _____(help) his classmates.
Would you mind _____ (play)the games after school?
My father came into the bedroom while I ____ (dance)
American fast food seems_______ (be) the most popular in the world.
My mother made me ______(clean) my room all by myself yesterday.
Most of people in the United States speak English.There are over 6,000 languages spoken all over the world.You know that every language has its own words. When you want to learn a foreign language，you must learn its words.You must know what the words mean，and you must say them in the right way.Words are made up of sound，and different languages have different sounds.There are thousands of language sound.When you speak English，you are using only about fifty of them.
Some languages are spoken faster than others.English is spoken more slowly than French.Women speak faster than men.In America，women speak about 175 words every minute，but men speak about only 150.How many words do you speak every minute?
1.What language do most people in America speak?
2.How many languages are spoken all over the world?
3.Does Chinese have its own words?
4.Do we often use forty-eight of the sounds when we speak English?
5.Who speak faster in the U. S. A, men or women?