I rang the bell for a long time last night, but no one opened the door.— Oh, the family __________ a party and they didn’t hear the bell.

Jenny and Brian met an old woman ______.[ ]

―How soon ________ your brother ________ back from Guangzhou?―In two weeks.

What’re you _____?—My husband’s health problem _____ me a lot.

Today some newly-produced mobile phones can take pictures _____ a camera. [ ]