Theforestfirecausedbythevolcanoisdifficulttobe____

The forest fire caused by the volcano is difficult to be______.

A. put off

B. put on

C. put out

D. put up

正确答案：C
14．答案为C由火山引起的森林大火很难扑灭词组辨析：putoff“推迟”；puton“穿上”；putout“熄”灭；putup“举起搭起”