问健康状况 ___how_____are you
问数量 __How many_____peopie are there in your class
问价格 __How much_____ is the meat
问次数 __How many times_____ have you been to beijing
问频率 __How often_____ do you clean your room
问时段 ___How long____ has he lived there
问多久以后 __How long _____ will he be back
问方式 __How_____did you come here