The children all _______ sadly at the broken model plane and _______ quite sad.

A. looked; were leftB. were looked; felt

C. looked; were feelingD. looked; felt

 

D

【解析】

D 根據(jù)副詞sadly可知look是行為動詞，表示主動，因此用過去式looked；第二空sad是形容詞，因此feel是系動詞，沒有被動形式，也不用于進行時態(tài)。因此只有D項正確。

 

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