41. _____ of wood, the house was clearly a fire risk.
A. Building B. Having built C. Built D. To build
42. _____ nearly all our money, we couldn’t afford to stay at a hotel.
A. Having spent B. Having been spent
C. To spend D. To be spent
43. _____ mainly as a writer of novel, James has now written a successful biography.
A. Being known B. Knowing C. Having known D. Known
44. _____ quickly, I soon caught up with her.
A. Walking B. Walked C. Having been walked D. To walk
45. Although _____ close to extinction, the rhino is once again common in this area.
A. being hunted B. hunting
C. having been hunted D. having hunted