They did everything in their power to save the building dating back to the Qing Dynasty, but their efforts were .
A. in turn B. in time
C. in vain D. in need
—Excuse me, can you tell me where I can find a supermarket?
—I happen to know ________ nearby. Come on, I’ll show you the way.
A. one B. it
C. that D. some
In a competitive marketplace, finding the key factor that ________ your business from others is highly valuable.
A. defends B. distinguishes
C. prohibits D. selects
A new ________ bus service to Tianjin Airport started to operate two months ago.
A. common B. usual
C. regular D. ordinary
Wild swans’ ________ in the area is a good indication of a better environment.
A. exhibition B. escape
C. absence D. appearance
— Tony, you seem in high spirits.
—________ We won the match 4-1.
A. Guess what? B. Oh, come on!
C. So what? D. No wonder.
