I really ...... Spanish harder as I want to set up my own company in Spain next year.
don't have to study
must study
mustn't study
have to study
The students at our school ...... at least five minutes before the classes start.
have to arrive
don't have to arrive
mustn't arrive
must arrive
The constructions workers ...... at least a little hungry after a hard day's work.
must feel
have to feel
mustn't feel
don't have to feel
My dentist tells me I ...... smoking if I want to get rid of the ugly yellow stuff on my teeth. He told me to quit right away.
have to stop
don't have to stop
mustn't stop
must stop
The magician says he will never reveal his own tricks to the public. He ...... them secret if he wants people come to his performances again and again.
must keep
doesn't have to keep
mustn't keep
has to keep
I suppose Pete ...... in love with Lilly. There's no other girl he'd be romantically interested in, you see.
must be
doesn't have to be
mustn't be
has to be
The new TV presenter ...... wear black suits all the time. The producer made it clear to him that the colour goes with the show's audience best.
has to wear
doesn't have to wear
mustn't wear
must wear
The infamous cat burglar ...... important information from the police because he always knows every single detail of the houses watched.
must receive
doesn't have to receive
mustn't receive
has to receive
Some journalists don't have a say in their work, they just ...... about events their editors tell them to inform the public about.
have to write
mustn't write
don't have to write
must shoot
The secret agent ...... the diamonds by the end of the week. Otherwise, the whole operation will fall to pieces.
has to retrieve
mustn't retrieve
doesn't have to retrieve
must retrieve
I believe the gardener ...... a green thumb. Just take a look at the garden. Everything is so green, fresh and beautiful.
must have
mustn't have
doesn't have to have
has to have
The lion ...... in a cage, otherwise it'd tear all the people apart.