These chairs may look good, but they’re very un-comfortable .A. to sit onB. to be sat onC.

发布时间：2020-08-17 05:29:43

These chairs may look good, but they’re very un-fortable     .
A. to sit on
B. to be sat on
C. sit on
D. sitting on

网友回答

(答案→)A. to sit on
B. to be sat on
C. sit on
D. sitting on
解析：这里they是句子的主语，并且作介词on的宾语。这时用不定式的主动形式表示被动含义。故选A。句意：这些椅子看起来好，但它们坐上去不舒服。
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