四、20个疑问代词 • 问是谁—who 问怎样—how • 问时候—when 问原因—why • 问什么—what 问哪里—where • 问哪个—which 问谁的—whose • 问多大—how big 问多高—how tall • 问星期—what day 问年龄—how old • 问多长—how long 问多久—how soon • 问多久—how often 问颜色—what color • 问几点—what time 问多少—how many • 问价格—how much 问多重—how heavy