15．Thanks for        me with my science．（　�。�
A．helpB．to helpC．helpingD．your help

分析 謝謝你幫助我學(xué)習(xí)科學(xué)．

解答 根據(jù)句中介詞for可知，介詞后用動(dòng)名詞，故選C．

點(diǎn)評(píng) 本題考查動(dòng)名詞的運(yùn)用．掌握介詞后動(dòng)詞的運(yùn)用是做題的關(guān)鍵．

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