Complete the sentences with a modal verb from the box below. Sometimes more than one answer is possible.
CAN'T CAN'T HAVE - COULD- DON'T NEED TO MIGHT-MIGHT NOT- MUST MUST HAVE - MUSTN'T-SHOULD SHOULDN'T
1. That pizza was gigantic. I'm sure Mary........... eaten it all.
2. Nobody was able to tell the police who that man was, so he............. someone from here.
3. Be careful when you walk across that old wooden bridge. It............ be very safe.
4. I see you haven't finished your homework yet.It.......... be very difficult,then.
5. You ..............touch the oven. It's very hot and you........... hurt yourself.
6. They are putting the suspect into the police car. The police .......... arrested him.
7. I don't know where he is. Take a look in the garage.He.............. be there.
8. You............... do any more training today . you look so tried. Take a break.
9. I can't see very well but that.............. be Claire over there. At least, she looks like Claire.
10. Everyone scored over 95% in the first test, so it.............. been so difficult.
11. You.............. drive me to the airport. I can take the bus.
12. You ............... always wear suitable clothes when you go skiing.
13. Pupils ............ go out between the various parts of the exam . It's against the school rules.
14.Danny ............. swim when he was four. now he's part of the town's swimmingteam.
15.You............. buy any food. the fridge is full.
16. john.............taking a wrong turn somewhere that otherwise, he'd be here by now.
17.there are signs all over the area, so you ............. have any trouble getting there.
18.this ........... be the house the advertised in the newspaper that it's much too big.
19.Mike ........... left the house. his cell phone is still here, and he never leaves without it.
20.leaving the house today without an umbrella ............ be such a good idea that it looks like it's going to rain in the afternoon.