unit 1
unit 2
unit 3
unit 4
unit 5
100

feeling fear, scared

be afraid of

100

very bad, unpleasant

awful

100

not natural

artificial

100

the space/a room under the roof of a house

attic

100

a teenager

adolescent

200

feeling guilty/embarrassed about sth or because you have done sth

be ashamed of

200

to be owned by smb, to be smb's possession

to belong to

200

not harmful to the environment

eco-friendly

200

reducing the amount of work you need to do sth

labour-saving

200

an angry discussion between 2 or more people who disagree with each other

argument

300

be worried and scared

be anxious about

300

empty, because all the people have left

deserted

300

not cooked

raw

300

to try to impress people by showing them how clever you are

to show off

300

to continue doing sth

to carry on 

400

when you do sth which can help a person

to do smb a favour

400

to tell smb about sth dangerous so that they can avoid it

to warn about

400

to make food cold to keep it fresh

to refrigerate

400

a house that is joined to another house with a shared wall

semi-detached house

400

to meet smb/find sth by chance

to come across

500

feeling pleased/satisfied with sth youhave done

be proud of

500

very interesting or attractive

fascinating

500

soft and easy to cut

tender

500

to cause sth to happen, to be a reason of sth

to bring about sth

500

not brave, scared of doing sth

cowardly

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