The lights are off, and nobody is answering the door. They ______ be at home.
can't
The ground is wet. It ______ have rained last night.
must
Sarah said she was feeling sick. She ______ come to the party tonight.
might not
You’ve been studying all week. You ______ fail the exam.
can't
That restaurant is always empty. The food ______ be very good.
can't
The baby is crying. He ______ be hungry.
must
She’s not answering her phone. She ______ be busy or her phone ______ be off.
might / might
He’s wearing a wedding ring. He ______ be married.
must
He doesn’t know anything about the meeting. He ______ have been informed.
can't
She looks very happy today. She ______ have received good news.
must