Doing morning exercise is of great to your health & consequently you’d bette
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Doing morning exercise is of great ____________ to your health & consequently you’d better keep on it
A.benefit
B.beneficial
C.benefition
D.useful
试题答案
A
be of +名词相当于形容词的作用。本题中be of benefit相当于be beneficial。句意：做早操对你的健康很有益你最好坚持。