David lives on the ________ floor. It is too high, so he has to take a lift every day.

_____ does your English teacher teach you English songs?—Once a week.[ ]

My home _______ a cinema.

.—LiAn, a Chinese director, won the best director again in his_______. —How great he is. It is his ______ time to win an Oscar.

The islands developed on their own for 80 million years and ________ have many rare animals found nowhere else.