The phone is ringing. It ___ be Charlotte; she said she would call this morning.
She ___ be in love with him. She told me she hates him.
He ___ be at the gym right now. Sometimes he goes there at this time.
This is not possible. You ___ be serious!
If he drives a jaguar, he ___ be quite rich.
You should pick up the phone. It ___ be an important call.
He ___ know the answer, he's the best in the class.
You ___ be right, but it's better if we check.
He ___ be in class. I saw him at the library a minute ago.
A: Who's at the door? B: I don't know; it ___ be John.
Створюйте онлайн-тести
для контролю знань і залучення учнів
до активної роботи у класі та вдома