_______ 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 |
You can try to guess the meaning of ______ words you don't know from ______ passage．
| A．the; 不填 | B．the; the | C．不填;不填 | D．不填; the |
The hike costs ￡2,500 ____all fights and accommodation.
| A．including | B．include | C．included | D．to include |
_____ the group guide, all teams have cookers and porters.
| A．In addition | B．Due to | C．As well as | D．As well |
Marco, ____, was amazed by how beautiful and powerful China was.
| A．by turn | B．in turn | C．with turn | D．in return |
We’ll teach you survival skills and you’ll learn how to ____ a fire and build your own shelter.
| A．light | B．burn | C．set | D．make |