I felt very __________ when I was having classes this morning.—Did you stay up very late last night?

Where is Michael? —-He____TV at home ,I think.

You look worried. What’s the matter? —I _____ the exam yesterday.

We have math ________ Friday. It’s difficult ________ interesting.[ ]

The plane will take off _________ three hours. I must get to the airport right now.[ ]