She’s got MP4 as birthday present.A. 不填; a B. an; a C. a; an D, an; an
词义替换Pandas are becoming less and less in recent(近来) years.
词义替换Maria is good at playing basketball.
词义替换—Why not go out and walk a pet dog?. —Good idea.
词义替换。—What do you often do in your spare time?—Play basketball.
词义替换。—Would you mind passing me the book?—Of course not. I’ll do it right away.