Central Modal Auxiliaries

The car vendor ...... people of their money or he'll end up in prison in no time, really.
1. mustn't cheat
2. must cheat
3. doesn't have to cheat
4. has to cheat
The royal family ...... scenes in public as they represent the whole country. Therefore, everybody expects them to behave as politely as possible.
1. mustn't make
2. must make
3. don't have to make
4. have to make
The protesters ...... anybody that there's something rotten in our country. I believe everybody has realised that much by now.
1. don't have to tell
2. mustn't tell
3. have to tell
4. must tell
Jane's French cousin ...... and speak German when he comes to visit his family in Germany because all of them speak fluent French.
1. doesn't have to try
2. has to try
3. mustn't try
4. must try
Kindergarten teachers ...... foreign languages perfectly, but they should be able to communicate with children in one or two foreign languages.
1. don't have to speak
2. have to speak
3. mustn't speak
4. must speak
Lucy, you ...... up so late on a Wednesday night. You've got to go to school tomorrow, remember?
1. mustn't stay
2. don't have to stay
3. have to stay
4. must stay
Our new financial advisor ...... the company policies. She's simply responsible for delivering analyses and prognoses of market developments in the future.
1. mustn't change
2. has to change
3. doesn't have to change
4. must change
A chimney sweeper ...... work at 3.00 o'clock in the morning. I guess it would be too dangerous, so they sweep the first chimneys only after the sun has already risen.
1. doesn't have to start
2. has to start
3. mustn't start
4. must start
Our receptionist ...... rude towards the clients. If she were impolite, she'd be sacked at once.
1. mustn't be
2. must be
3. doesn't have to be
4. has to be
The bus driver ...... the bus, but he should make sure people don't make a mess inside.
1. doesn't have to clean
2. mustn't clean
3. has to clean
4. must clean
Lilly's English teacher ...... a single word, and yet it's clear that he's madly in love with his sweet lady student.
1. doesn't have to say
2. mustn't say
3. has to say
4. must say
A tennis player ...... fatty food before a tournament or he'll not be able to play well.
1. mustn't consume
2. must consume
3. doesn't have to consume
4. has to consume

Central Modal Auxiliaries

Quiz