unit 1
Will there be less pollution?No,there won’t.There will be more pollution.
Will there be fewer trees?Yes,there will.
Kids won’t go to school.
Kids will study at home on computers.
Fewer:Use fewer to talk about countable nouns.There will be fewer trees.
Less:Use less to talk about uncountable nouns.There will be less pollution.
Unit 2
What’s wrong?My clothes are out of style.
What’s the matter?I argue with my best friend.
What should I do?You could write him a letter.
What should he do?Maybe he should say he’s sorry.
What should they do?They should talk about their problems.
Unit 3
The boy was walking down the street when the UFO landed.
While the boy was walking down the street,the UFO landed.
The girl was shopping when the alien got out.
While the girl was shopping,the alien got out.