Modals

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

• must

• can't

• mustn't

Do you want me to call your parents so they .......... pick you up?

• must

• can

• can't

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

• must have

• could have

• can't have

Soldiers ............ obey orders.

• must

• mustn't

• can

I am sorry, but I .................. possibly go to the meeting tonight.

• mustn't

• must

• can't

All students who are late for school ............ sign in at the office and pick up a late slip.

• can

• must

• could

You ............... done very well in the test to get and A+.

• can't have

• may have

• must have

"I ............. get my computer to save this file," she complained.

• can't

• can

• must

Who in here ............... honestly say he's never broken a speed limit?

• can't

• can

• must

She ................ moved it herself. It's too heavy.

• can't have

• could have

• must have