问题
选择题
I think Tom, as the head of a big department, should cither study regularly or______his job. [ ]
A. quits
B. to quit
C. quitting
D. quit
答案
答案：D
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I think Tom, as the head of a big department, should cither study regularly or______his job. [ ]
A. quits
B. to quit
C. quitting
D. quit
答案：D