21. —__________ Mr. White was appointed director of our department.
—Then we have two Whites now including ___________ Mr. White, the doorkeeper.
A. The; a B. A; the C. A; 不填 D. 不填; a
22. —What’s that? It smells great!
—It’s just milk tea. Would you like __________?
A. this B. one C. it D. some
23. A lot of tents, drinking water and food __________ to the homeless earthquake survivors in the past several weeks.
A. are sent B. were sent C. have been sent D. had been sent