11. Hoang Lien National Park covers the famously beautiful region of Sapa, ____ is considered the best place for trekking in Vietnam.
A. which B. that C. where D. what
12. Ecotourism stimulates a desire ____ the natural environment through the creation of national parks, wildlife preserves and marine parks.
A. protecting B. to protect C. of protecting D. protects
13. Ecotourism is any type of tourism to relatively ____ natural areas for the enjoyment of natural, cultural and historical features.
A. disturbed B. undisturbing C. undisturbed D. disturbance
14. My teacher said that heavy curtains ____ a great dual purpose in your home when it had come to energy savings some years earlier.
A. played B. were playing C. had played D. have played
15. - “Sara has had an accident and she has been rushed to hospital.”
- “You look after the children and I ____ there.”
A. am going B. will go C. go D. will be going
