问题
选择题
He is the last _____ his work. [ ]
A. finish
B. finishing
C. finishes
D. to finish
答案
答案：D
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He is the last _____ his work. [ ]
A. finish
B. finishing
C. finishes
D. to finish
答案：D
力传递和分散于其他基牙及邻近的支持组织