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        1. 【題目】My biggest challenge is _______how to behave at the dinner table.

          A.learnB.to learnC.learns

          【答案】B

          【解析】

          句意:我最大的挑戰(zhàn)是學(xué)會如何在餐桌上舉止得體。

          考查非謂語動詞。learn 動詞原形;to learn動詞不定式;learns動詞三單;此處是不定式作表語,表示目的、內(nèi)容和將來,結(jié)合“My biggest challenge is _______how to behave at the dinner table.”此處是動詞不定式,表目的。故選B。

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