Obligation & Necessity

Multiple Choice

Sales staff ________________ wear a dark suit and a tie.

• must

• have to

• can

• are allowed to

Multiple Choice

Office staff ______________ wear a suit but they should look smart.

• shouldn't

• mustn't

• can't

• don't have to

Multiple Choice

If you want to drive on the roads, you ______________ pass a driving test.

• have to

• must

• are supposed to

• can

Multiple Choice

When travelling to many countries, you ______________ get a visa.

• should

• have to

• must

• need to

Multiple Choice

I have to work Monday - Saturday but I ______________ work on Sunday.

• am not supposed to

• not allowed to

• don't have to

• don't need to

Multiple Choice

I ____________ remember to take those books back to the library. They're three weeks overdue.

• should

• must

• have to

• can

Multiple Choice

You can play in the park but you _____________ swim in the lake. Is that quite clear, children?

• mustn't

• shouldn't

• are not supposed to

• don't need to

Multiple Choice

My car wouldn't start this morning so I ______________ get the bus.

• must have

• had to

• should

• am

Multiple Choice

It's my grandmother's birthday at the weekend. I ____________ call her.

• should

• have to

• must

• need to

Multiple Choice

If you come to Hong Kong, you _____________ visit the Peak in the evening and see the great views of the city.

• have to

• are supposed to

• should

• need to