He may be in the classroom, I think.—No, he _______ be in the classroom. I saw him go home a minute ago.
but your TV is going too loud. —–Oh, I’msorry. I’ll turn it down right now.
_______ lovely weather we are having these days!
With dinner _____, the lady went on ____ some sewing.
_ a satisfactory operation, thedoctor believed the patient would recover from his illness very soon