Empower B2 (2nd) - Unit 10 Progress Test.

2

• must

• may

• could

3

• can't

• may

• must

4

• can't

• may not

• mustn't

5

• can't

• might

• must

6

• might

• must

• might not

7

• could

• may

• must

8

• can't

• may not

• mustn't

9

• can't

• could

• must

10

• can't

• may not

• mustn't

2

• could

• must