English is _______ .please work hard at it.A .help B.helps C.help_英语解答

English is _______ .please work hard at it.A .help B.helps C.helpful D.polite
English is _______ .please work hard at it.
A .help B.helps C.helpful D.polite

人气：485 ℃　时间：2019-10-14 21:53:07

解答

c
helpful 形容词,“有帮助的；有用的”
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