—Who did Mary _________ just now?—Her teacher. They talked about the school trip.
Today’s young people can’t live without smart phones. They keep their hands on the phones wherever they go, even while they ________ meals.
David lives on the ________ floor. It is too high, so he has to take a lift every day.
-----__________ can you finish the English examination? ----In about one and a half hours.
----Where will Alice sit? ----The seat next to Kenny’s is _________.
If you want to buy an expensive camera, we have several models for you ________.