English is _______ .please work hard at it.A .help B.helps C.helpful D.polite
问题描述:
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
答
c
helpful 形容词,“有帮助的;有用的”
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