orange unit 3 review

Where are the kids? It's 8:30 so they ........ be at school. Classes begin at 8.

• must

• can't

• mustn't

I'm absolutely sure! They ........... gone this way. There are their footprints here.

• must have

• could have

• can't have

She doesn’t.................. take us. Someone else will.

• Might

• Need to

• Should

• Would

At school, you ________________ eat in class.

• couldn't

• should

• must

• mustn't

You....... smoke here.

• have to

• don’t have to

• must

• mustn’t

A person _____ eat balanced diet.

• has to

• must

• have to

• should

Before an operation, all patients ______ sign a consent form, or the surgeon will not perform the surgery.

_____ I borrow your pen? (formal polite request)

• May

• Can

• Could

• Would

My brother _________________ your money because he was with me all day.

• couldn't have stolen

• couldn't steal

• must have stolen

• must steal

You ________ her yesterday because she was on a business trip.

• must have seen

• can't have seen

• might have seen

• should have seen