My son has a fever and a bad headache. He _______ have the flu.
can
shouldn't
mustn't
must
He never studies or does his homework. He also turns up late every day. He ______ be a responsible guy.
must
shouldn't
might
can't
I'm not sure, but the new assistant _____ Italian. Her surname is Ferrari.
might be
can't be
might could be
is
That _____ be his car. His is much bigger.
must
isn't
can't
shouldn't
Change the sentence: We've only walked 1km. I'M SURE YOU AREN'T TIRED YET.
You can't be tired yet
You might be tired
You should be tired
You must be tired
This dish _____ be very healthy. It has a lot of sugar!
can't
can
might
must
The new students aren't talking to anybody. I guess they _______ shy.
should be
must be
can't be
might not be
Paul is behaving in a very unusual way. I think he ______ again.
can be drinking
may not have drunk
could drink
might be drinking
I haven't seen Juri for a few days. He _____ be on holiday.
can't
might
might not
won't
The lights are on in his apartment, so he _____ be at home.
can
must
shouldn't
must to
Where is Jelena? She _____ be at work because her office is closed today.
can't
must
might
can
Susan didn't sleep last night. She _____ be really exhausted today.
must
shouldn't
might not
can
There is nobody else in this restaurant, so the food _______ very tasty.
mustn't be
can be
shouldn't be
mightn't to be
Let's go to Lotus. It _____ be cheaper than Tops but I'm not 100% sure.
will
can't
might
must
They look so disappointed-their team ________ playing badly.
mustn't be
should be
can be
must be
When I got home, I found a note from my mum saying "I'll be back at 5." It's 4.55 so she ______ be here now.
can't
My neighbour is selling all her furniture. She _______ to a new house.
should move
could be moving
mustn't be moving
wouldn't move
My friend has been crying for two hours. She _______feel sad because her boyfriend broke up with her.
will
must
should
might not
The final exam _______ too difficult. You never know.
might not
must not
can not
will not
She _____ be rich. She has 3 houses and 4 cars!
can
must
won't
mustn't
Her friend _____ be Australian, but I've never asked him.
couldn't
isn't
could
can
Susan has lived in Thailand for five months, so she ______ Thai perfectly.
shouldn't speak
can learn
must speak
might be
A: I think Scotland will win the next World Cup. B: You _______ serious! The team is terrible!
could be
must be
are
can't be
A: What does Pete's new girlfriend do? B: I'm not sure, but she ______ a doctor.
must to not be
might be
must to be
might not be
I don't believe there's a monster in Loch Ness. It ____________!
might not be true
can't be true
mustn't be a lie
must be not untrue