--_____ you call back tomorrow? 

--Of course I can.

A. Can     B. Must    C. May    D. Need.

 

【答案】

A

【解析】試題分析:句意:你明天能打電話回來嗎?當(dāng)然能。

can、could 1).能力2).請(qǐng)求許可(多用于口語)3).表示懷疑、猜測(cè)(否定、疑問句)4).can/could+have+V.ed 對(duì)已發(fā)生的事表示懷疑。may、might 1).表示請(qǐng)求2).表示可能性3).表示祝愿 例:May you succeed!

must 表示主觀上的看法,表示必要性和義務(wù)(現(xiàn)在或?qū)頃r(shí))

need 1).可作情態(tài)動(dòng)詞,也可作實(shí)義動(dòng)詞,意義無太大區(qū)別2).用于疑問、否定,不用于肯定句中。故選A。

考點(diǎn):考查情態(tài)動(dòng)詞用法。

 

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