问题补充：
our efforts to save houses dating back to the Ming Dynasty, the local government decided to pull them down to build modern buildings there.
A. In case of
B. In spite of
C. In terms of
D. In praise of
答案：
A. In case of
(答案→)B. In spite of
C. In terms of
D. In praise of
解析：句意：虽然我们努力拯救追溯到明代的房子，当地政府决定拆掉它们在那里建现代化的建筑。A. In case of 以防，如果，B. In spite of虽然，C. In terms of就…而言，D. In praise of表扬，根据句意选B。
