He left the police station and went to the bar to ______ clues.
Miss Cooper ________ be here. I saw her come in.
The Internet is really useful to us. We can ________ find the information we need.
Lei Feng died ________ 1962 ________ the age of 22, but the spirit(精神)of Lei Feng will never be out of style.
My uncle is not rich, but he has many books in ________ room.
— What do you want to be in the future, Nick?— I want to be ________ pilot. It is ________exciting job.A. a; a B. a; an C. the; an D, a; the