--- Another cup of coffee? ---No. thanks. I _____ be off. Marry is waiting for me.

—Do you think the thief entered through the back door? —No, if he had, I don’t believe he ______ the living-room window.

Cars, buses and bikes ________ stop when the traffic lights turn red.

Li Lei knows two foreign languages. He can speak _______ English______ French.

----May I listen to the music here, Mr White? ----Sorry , you’d better ____ it like that..