问题补充：
–The house fire and was destroyed.
--Who fire to the house?
A. set; caught
B. caught; set
C. took; played with
D. was; caught
答案：
A. set; caught
(答案→)B. caught; set
C. took; played with
D. was; caught
解析：考查词组：句意：房子着火了而且被毁了。--是谁放火的？第一空词组是catch fire着火，第二空是set fire to放火。选B。
