例句： Is there a connection between smoking and lung cancer?

例句： There are eight students in the classroom.

例句： The interruption fragmented his argument.

例句： A blow to the stomach made him curl up.

例句： What is your surname?

例句： The water splashed out of the tub upon the floor.

例句： The rule is that someone must be on duty at all times.

例句： The gang jumped an old woman in the subway.

例句： The goods were consigned to you by railway.

例句： The refugees' main requirements are food and shelter.