【題目】Eating well and good exercise ________ you free ________ cold.
A.keeps; for
B.keep; of
C.stops; from
D.prevent; from

【答案】B
【解析】keep sb.free of/from (doing) sth.意為“使某人免除/擺脫(做)某事”；stop/prevent sb. from(doing) sth.“防止某人(做)某事”。句意：吃好鍛煉好使你不感冒。故選B。

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