--- Who’s singing in the bathroom?--- It ________ be Mr. Brown. Nobody sings like that except him.
________ is it from your home to school?
Bill can play _____ violin but he can’t play _____ football.
Can we ________ in the classroom?
—I am leaving for Canada next week.— _______.
I can ________you my book, but you can only ________it for only a week.