问题
选择题
After graduation, he ______ in a school in the west of China. [ ]
A. volunteered to teach
B. was volunteered teaching
C. was volunteered to teach
D. volunteered teaching
答案
答案：A
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After graduation, he ______ in a school in the west of China. [ ]
A. volunteered to teach
B. was volunteered teaching
C. was volunteered to teach
D. volunteered teaching
答案：A