Unit 1 a — armchair
Unit 2 around — biology
Unit 3 bird — bye
Unit 4 cabinet — cleaner
Unit 5 clear — cycling
Unit 6 dad — drugstore
Unit 7 drum — family
Unit 8 famous — future
Unit 9 gallery — gym
Unit 10 hair — ID card
Unit 11 idea — lazy
Unit 12 learn — maths
Unit 13 matter — myself
Unit 14 name — own
Unit 15 pack — pleasant
Unit 16 please — red
Unit 17 refrigerator — shopping
Unit 18 short — spend
Unit 19 spoon — taxi
Unit 20 tea — traffic light
Unit 21 train — way
Unit 22 we — zoo
参考答案