---Very few students passed last monthly exams, ______?---Yes. They all passed because they did good preparations before the exams.
—Where did you get these old doors? —From the old houses which were________by the workers.
Things should________here before you enter the Great Museum.
—There are only a few old city walls left. —Yeah.Most of them________in the 1960s.
—Mary,I have never seen a zoo that is________for animals to live in. —Neither have I.
—Do you know Amy Hayes? —Of course,I know.She is the woman who built a house________rubbish.