09ÄêÖп¼Ó¢Ó︴ϰģÄâÊÔÌâ
±¾Ìâ¹²ÓÐ10¸öСÌ⣬Çë´Óÿ¸öСÌâµÄËĸöÑ¡ÏîÖУ¬Ñ¡³ö×î¼Ñ´ð°¸¡£
21.How long did it take the firemen to put______ the fire?
A off B. out C .down D. away
22.--.- Wang Lei has passed the exam. He’s really lucky.