--__________is your backpack? -- It’s red and yellow.
---Would you like ______ , sir?--- No, thanks. I have had much.
I didn’t hear your call because I__________to music at that time.
I won’t make such a silly mistake again. I’ll be__________ next time.
—Which of these shirts do you like best?— I’ll take ___________ . They are all expensive and out of fashion.
-- Someone is knocking at the door. Is it Amy?--It ________ be her. She is giving a performance at the theater now.