Crear juego
Crear juego
Todos los juegos
Jugar Test
1. 
You ......... wear protective glasses in the laboratory.
A.
could
B.
mustn't
C.
must
D.
have
2. 
You ..................... wear a tuxedo. A suit is enough.
A.
mustn't
B.
should
C.
don't have to
D.
could
3. 
If you have sleeping problems, you ........... try eating less for supper.
A.
could
B.
have to
C.
would
D.
couldn't
4. 
I can see you're busy. .......... I come back later?
A.
mustn't
B.
have to
C.
would
D.
should
5. 
We ............ come in at 8 on Friday. The boss said so.
A.
could
B.
should
C.
have to
D.
couldn't
6. 
You .............. bring your dog in the office. It is not allowed.
A.
shouldn't
B.
don't have to
C.
mustn't
D.
couldn't
7. 
You ...... be nicer to Sara. She is not a bad person.
A.
must
B.
shouldn't
C.
should
D.
have to
8. 
Do I really ....... wear a tie?
A.
have to
B.
must
C.
should
D.
could
9. 
You .......... spend too much time worrying. Everything will work out in the end.
A.
must
B.
have to
C.
wouldn't
D.
shouldn't
10. 
Is that the time? I ..... go and pick up my daughter.
A.
could
B.
must
C.
mustn't
D.
don't have to