17.Healthy food and exercise help ________to study better.( 。
A.usB.weC.our

分析 吃好、鍛煉好幫助我們學習得更好.

解答 答案:A;
本題考查了人稱代詞的賓格形式.由題目help可知,后面所接的人稱代詞應(yīng)為賓格.us,我們,賓格形式;we,我們;是主格,放在謂語動詞前面來作主語;our是形容詞性物主代詞,用在名詞前面作定語.
故選A.

點評 識記代詞的用法是解題的關(guān)鍵,還要結(jié)合語境,根據(jù)句意作出正確解答.

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