Read and choose the correct variant.
Where are Steve and Mary? — They ______________________________ be on holiday in Spain, but I’m not sure.
should
can’t
must
may
I’m absolutely sure! They __________________________ arrive today, I saw their ticket.
could
You __________________________ use a mobile phone during a lesson.
may not
mustn’t
can
Are you joking? Seon __________________________ go to Paris tomorrow. He doesn’t have enough money.
The concert __________________________ be wonderful. Fiore is a great conductor.
It’s so hot outside! You ____________________________ go out without a cap.
shouldn’t
