–Whose is this purple scarf?–It _______ be Mary’s. She always wears a purple scarf like this.
Andy is very tall, but I’m _______.
_Could I go to the movie this Sunday, Dad? Yes, you_____. But you ______ come back before nine.
—Would you mind turning down the music? —.
Last year I _________ drive. I used to take the bus.
These days my classmates are busy ________ ready for the final exam.