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
……