Have you seen _____ book? I left it just around here this morning. —-Is it _____ English one? I think I saw it somewhere.

The young boy found ________ hard to finish the work alone.

China is large than _______country in Asia(亚洲).

Michael,do you go swimming?— Twice a week.

That lecture on genetic medicines—I had no idea what he was saying; it’s all Greek to me.