13. There are plenty of tomatoes in the fridge. You____________ buy any. *
1 punto
mustn’t
needn't
may not
shouldn't
14. It's a hospital. You ____________smoke. *
1 punto
mustn’t
needn't
may not
don't have to
15. He had been working for more than 11 hours. He________ be tired after such hard work. *
1 punto
must
can
should
would
16. He ____________ prefer to get some rest. *
1 punto
should
must
may
could
17. The teacher said we________ read this book for our own pleasure as it is optional. *
1 punto
can
may
would
could
18. _________________you stand on your head for more than a minute? *
1 punto
Could
Can
Would
May
19. No, I _________ *
1 punto
can
can't
mustn't
haven't
20. If you want to learn to speak English fluently, you_______ to work hard. *
1 punto
must
have
need
should