问题补充:
after a long walk, Henry called me and said he couldn’t come to the meeting.
A. Having worn out
B. Being worn out
C. To wear out
D. Worn out
答案:
A. Having worn out
B. Being worn out
C. To wear out
(答案→)D. Worn out
解析:考查非谓语动词。根据题意可知此处为状语,用法为sb be worn out,故排除A,C。 此处worn out=Because he was worn out after a long walk, Henry called me and said he couldn come to the meeting.