问题
选择题
A third of the class ______ noticed him ______ away without saying a word. [ ]
A. has; to go
B. have; gone
C. has; went
D. have; go
答案
答案：D
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A third of the class ______ noticed him ______ away without saying a word. [ ]
A. has; to go
B. have; gone
C. has; went
D. have; go
答案：D