B
The classmate and friend 用了定冠詞The且classmate and friend 用的都是單數(shù),說明特指那個(gè)既是同學(xué)又是朋友的人.第三人稱單數(shù)用does help.
The classmate and friend ____ me with my math often .
The classmate and friend ____ me with my math often .
A.do help B.does help
A.do help B.does help
英語人氣：110 ℃時(shí)間：2019-08-20 21:15:18
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