GEP7B 6B Modals of deduction

She isn't answering the phone I think she........be out.

• can't

• must

• might

He drives an expensive car. He......... have a good job.

• might

• must

• can't

Sara's very busy. She ........ be able to come tonight.

• migt

• must

• can't

it ........ be a giraffe walking past a window.

• can't

• might

• must

it ...... be an arabic letter

• could

• can't

• must

nobody opens the door, they ....... be out.

• must

• might

• can't

we use "......." to say that something is true.

• must

• can't

• may/might/could

we use "....." when something is possible but we´re not sure.

• may/might/could

• can't

• must

we use "....." when something is not true at all.

• can't

• must

• may/might/could

it .... be a dog.

• can't

• may/might/could

• must