The MAINTENANCE of these old castles must cost a lot of money. A. building B. foundation C. destruction D. preservation
D. preservation
15
People in the mountainous areas are still in the habit of destroying forests for CULTIVATION. A. planting B. farming C. industry D. wood
B. farming
15
Only one person who can provide the best solution to the question will be promoted and ______ a financial grant. A. equipped B. served C. entitled D. awarded
D. awarded
15
If some endangered species ______ in zoos, it would help to ensure their future survival. A. will be kept B. are kept C. had been kept D. were kept
D. were kept
15
My grandfather retired from work last month. He _______ for the same company for 40 years. A. was working B. had been working C. has worked D. had worked