15. A. below B. above C. under D. in
14. A. starts B. begins C. happens D. takes place
13. A. would B. must C. could D. ought
12. A. And B. Now C. So D. But
11. A. prevent B. make C. help D. control
10. A. Then B. Later C. At last D. in the future
9. A. saved B. killed C. in danger D. safe
8. A. England B. Europe C. London D. the island
7. A. living B. staying C. lived D. stayed
6. A. dangerous B. necessary C. possible D. imaginable