请看题：
“Do you like the material？” “Yes， it _____ very soft.”
A. is feeling B. felt
C. feels D. is felt
「陷阱」此题容易误选D，想当然地根据“这布料摸起来很柔软”这一句意，认为“布料”应是“被摸”，所以 feel 选用被动语态。
「分析」其实，此题正确答案为C，因为 feel 在此为连系动词，而连系动词均为不及物动词，不能用于被动语态，尽管有时其汉语意思有被动意味。请看以下类似例子 （答案均为D）：
（1） Her forehead _____ hot. I‘m afraid she is ill.
A. is feeling B. felt
C. is felt D. feels
（2） The new school has been completed. It _____ very beautiful.
A. is looked B. looked
C. has looked D. looks
（3） The dish _____ nice， but the milk _____ sour.
A. is smelt， is smelt B. is smelt， smells
C. smells， is smelt D. smells， smells
（4） The story of his life _____ interesting.
A. is sounded B. is sounding
C. has sounded D. sounds