14. A. reason B. fact C. cause D. way
13. A. solids get B.the solids get C. solid gets D. a solid gets
12. A. that B. which C. where D. when
11. A. either B. again C. else D. too
10. A. have to B. can C. may D. need
9. A. on B. in C. over D. from
8. A. differences B.lengths C. railways D. ways
7. A. more B. some C.bit D. small
6. A. Although B. If C. Because D. After
5. A. incidents B.happenings C. trouble D. accidents