Anh 1

2, c - education

3, c – career

4, b – satisfied

5, c – is often hot

6, b – scientific

7, c – comfortable

8, c – I feel tired. I’ve got a backache.

9, b – History

10, a – from/to

10, d – History

11, b – scientist

12, a –international

13, c – went off

Anh 2:

6, c – rained

7, d – When

8, d – had left

9, b – had died/came

10, a – went/ had gone

11, d – Where

12, b – to go

13, d – answering

14, c – always gets up

15, b – met

C

1, c -> brushes

2, to find -> finding

3, has-> had

4, internationing -> international

5, to drinking ->to drink

6, Tom and me -> me and Tom

7, listen 2 hours -> listening 2 hours

8, drank -> had drunk

9, science -> scientific

Anh 3

14, a – science

B

1, c – is often hot

2, a – ended

3, a – doing

4, d – had traveled/ took

5, a – to go