1. Her eyes are red?
b) Has she been crying
2. "How many exams?" "I think, five".
b) has he passed
3. More and more forests because of fires.
a) are disappearing
4 faster than sound?
a) Does light travel
5. The lesson at 8:45.
a) doesn't finish
6. The museum a large collection of paintings.
b) owns
7. It seems people new things about nature.
a) are always discovering
8. What's the matter? Why at me like that?
a) are you looking
9. Please, be quite. You so much noise.
b) are making
10. It is clear to me that his time for action
a) has come
11. How long on this problem so far?
b) have you been working
12. It is 5 o'clock now. My brother for his History class and I a com
a) is preparing, am writin
13. No matter how long the holiday is I I want a few days more.
b) always feel
Must
May
Might
Can
Could
Must
Have to