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.
Unit 4
I am mad at Marcia.She said she was mad at Marcia.
I am having a party for Lana.She said she was having a party for Lana.
I go to the beach every Saturday.He said he went to the beach every Saturday.
I will call you tomorrow.He told me he would call me tomorrow\the next day.
I can speak three languages.She said she could speak three languages.
Unit 5
I think I’ll ride my bike.If you do it,you’ll be late.I’ll=I will
I think I’m going to stay at home.If you do,you’ll be sorry.You’ll=you will
Unit 6
How long have you been skating?I’ve been skating since nine o’clock.\for five hours.
How long did you skate?I skated for two hours.
Unit 7
Would you mind cleaning your room?I’m sorry.I’ll do it right away.
Would you mind not playing baseball here?Sorry,we’ll go and play in the park.
Would you mind moving your car?No,not at all.
Could you please wash the dishes?Ok,I’ll do them in a minute.
Unit 8
What should I get my sister?
Why don’t you get her a camera?That’s too expensive.
How about some tennis balls?They are too cheap.
What about a watch?That’s too personal.
Why don’t you buy a scarf?That’s not interesting enough.
Unit 9
Have you ever been to an aquarium?Yes,I’ve been to an aquarium.No,I haven’t.
I have been to the zoo a lot of times.Me too.
I’ve never been to a water park.Me neither.
Unit 10
It’s really windy today,isn’t it?Yes,it is.
You’re Ben’s sister,aren’t you?Yes,I am.
The No.15 bus stops here,doesn’t it?Yes,it does.
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