Don't keep your mouth ___ if you want to improve your spoken English.
A. shut B. shutting C.shutted D. to shut
Don't keep your mouth ___ if you want to improve your spoken English.
A. shut B. shutting C.shutted D. to shut
A
keep这里意思是；使保持，后面要求接形容词用它的宾补，而不是keep sth. from doing.。C、D两选项不符合题意。