6. With the successful launch of Tiangong-1, which was ________ breakthrough in this field, China’s space dream took a step closer to ________ reality.
A. the; a B. a; / C. a; the D. the; /
7. ----Could you please tell me more about the city ?
----Sorry. I’m also a newcomer. I know nothing else you know now.
A.except for B. but that C.except what D. but for
