Question

As the life they were used to _____ changed by the terrible earthquake, the people in the earthquake-stricken area are doing all they can ______ their new life.

1. A.
   have now been, build
2. B.
   having now been, to build
3. C.
   has now been, to build
4. D.
   is now, build

Answer 1

C
句意：因为他们习惯的那种生活现在已经被可怕的地震改变了。所以在地震袭击的地区人们正在尽他们所能建造他们的新生活。they were used to 为定语从句，修饰先行词the life，根据语境应用完成时态，do all sb can to do sth 尽某人所能做某事，故选C。