Modal verbs of deduction

The phone is ringing. It ______ be Charlotte; she said she would call this morning.

• must

• can't

• can

She ______ be in love with him, she told me she hates him.

• might not

• can't

• must

He______ be at the gym right now. Sometimes he goes there at this time.

• can't

• might

• must

This is not possible. You______be serious!

• can't

• must

• might not

If he drives a jaguar, he______ be quite rich.

• can't

• must

• might

You should pick up the phone. It ______ be an important call.

• can't

• can

• might

He______ know the answer, he's the best in the class.

• might

• can

• must

You_______ be right, but it's better if we check.

• might

• can't

• can

Which sentence is correct?

My purse isn’t in my pocket. It…

• must be in my bag.

• must in my bag.

• mustn’t be in my bag.

What’s the best way to complete the sentence?

‘Is that Mr Tanaka?’

‘No, that ____ be him. Mr Tanaka wears glasses.’

• mustn’t

• can’t

• must