问题
选择题
33. ________ in the fields on a March afternoon, he could feel the warmth of spring.
A．To walk
B．Walking
C．Walked
D．Having walked
答案
答案：B
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33. ________ in the fields on a March afternoon, he could feel the warmth of spring.
A．To walk
B．Walking
C．Walked
D．Having walked
答案：B