—May I swim here?  — No, you _______.  It is dangerous.

— Can I pay the bill by check?— Sorry, sir. According to the rules of our hotel, the payment ______ be made in cash.

 —Tom can’t find his gloves. Are these blue gloves his?      —No, they ______ be his. His gloves are black. 

The winner of the race is tall and thin; he _______ be my friend, Mike, who is short and fat.

Here are some apples. You _________ take any one if you like.