Key to Exercises – Units 1 to 38

Table of Contents

Unit 1

1.1

1she / isn't
2isn't
3I am not
4you are not

1.2

1am
2are
3is
4am

1.3

1My brother is a teacher.
2This shop isn't / is not very big.
3The seats aren't / are not open today.
4You aren't / are not very polite.

1.4

Example answer:I'm from Australia.
1I'm 25.
2I'm a computer programmer.
3I'm interested in machine learning.
4I'm interested in politics.
5I'm not interested in sports.

1.5

1They're / They are cold.
2He is hot.
3They're / They are hungry.
4She is angry.
5I'm hungry.
6I'm not hungry.
7I'm thirsty.
8I'm not afraid of dogs.
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Unit 2

2.1

1E
2H
3C
4A

2.2

1Is your job interesting?
2Are the people in your class nice?
3Are you interested in politics?
4Why are you late?
5Where are you from?
6How old are you?
7Are you a teacher?
8What is your favorite color?

2.3

1Are you married or single?
2Are you American?
3How old are you?
4Are you a teacher?
5What is your name?
6Where do you live?
7How old is she?

2.4

1I'm studying on the floor.
2She isn't reading.
3She isn't playing the piano.
4She's laughing.
5She's wearing a hat.
6She isn't writing a letter.

2.5

1Yes, I am. / No, I'm not.
2Yes, it is. / No, it isn't.
3No, I'm not.

Unit 38

38.1

1It's cold.
2It's snowing.
3It's windy.
4It's sunny/fine.
5It's cloudy.
6It's / It is a nice day.

38.2

1It's / It is
2Is it
3it is
4it is ... it's / it is
5It's / It is
6Is it
7It's / It is
8It's / It is
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