19．I think that's the only way we can think of ______ the math problem．（　　）
A．solveB．solvesC．to solveD．solving

分析 我認為那是唯一我們能想出來的解決這道數(shù)學(xué)題的方法．

解答 答案是C．本題考查動詞不定式做定語的用法；題干中we can think of 充當(dāng)?shù)氖莟he only way 的定語； solve the math problem仍然是the only way 的定語，way后面常常接動詞不定式做定語，即the way to do sth．，故選C．

點評 首先判斷選項中的動詞在句中是以謂語還是非謂語形式出現(xiàn)，然后根據(jù)選項在句中的功能結(jié)合非謂語的基本用法做出合理的判斷．要關(guān)注常見非謂語動詞的搭配．

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