問題詳情：
(2018·全國卷Ⅲ)I quickly lower myself, ducking my head to avoid ________ (look) directly into his eyes so he doesn't feel ________ (challenge)．
【回答】
looking; challenged avoid後接動名詞作賓語，avoid doing sth.意爲“避免做某事”。feel爲系動詞，後接形容詞，此處表“被挑戰的”，修飾人，故用challenged。
知識點：非謂語動詞
題型：單詞拼寫
