_______ originally as the biggest defense work in ancient China, the Great Wall today has become one of the must–see places for visiting foreign leaders to the country in the past six decades. Obama is the fifth US president _______ the man-made wonder.
| A．Having been built; visiting | B．Being built; visited |
| C．To build; having visited | D．Built; to visit |
Since its entry into ________ Chinese market, Google has been enjoying ________ legal market access and national treatment.
| A．the; a | B．不填; 不填 | C．a; the | D．the; 不填 |
China’s housing price becomes one of the hottest topics during the Two Sessions, ________ most ordinary Chinese people find it more and more difficult to buy a flat in cities.
| A．where | B．so | C．as | D．though |
—May I see your ticket, please? I think you ________ in my seat.
—Oh, you’re right. My seat is upstairs. I’m terribly sorry.
| A．are sitting | B．sit | C．sat | D．have sat |
---What’s the matter with Tim?
---Oh. Tim’s cellphone was left in a taxi accidently, never _____ again.
| A．to find | B．to be found | C．finding | D．being found |
Mrs. White bought a _____ wallet for her husband.
| A．small black leather | B．black leather small |
| C．small leather black | D．black small leather |