My friend John insisted that he had seen ______ alien the day before.

There are many trees on ______ side of the street.

________ can you finish this English examination?– In about one and a half hours.

“I want my leg! I want to run! I want to jump!”, a girl cried in the hospital in Libya(利比亚).

Is that ______ volleyball?—Yes. Bill likes playing ______ volleyball. ______ volleyball is his.