介词、形容词、副词、感叹词。
【释义】:
① pron. 什么;多么;多少
② adj. 什么;多么;何等
③ adv. 到什么程度,在哪一方面
④ int. 什么;多么
【造句】:
①What can I stick this on with?
②You have to consider what to do next.
③What can I do for you?
④Let him tell you what has happened.
⑤ We must see what can be done.