Grammar practice: must, have to and needn't

She _____ go to visit the doctor last month because she was ill.

Mark ______ leave the holiday last night. He wasn't very well.

Mary _____ go right now because she is already late for her classes.

Are you going to read this news? - No, we ______. We already know what it says.

Do you ______ clean your room every day or every week?

Carl is fat. He ______ eat too much.