问题
选择题
Mr Smith _____the grammar book meant for senior high school students and will almost finish it.[ ]
A. was writing
B. has written
C. has been written
D. has been writing
答案
答案：D
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Mr Smith _____the grammar book meant for senior high school students and will almost finish it.[ ]
A. was writing
B. has written
C. has been written
D. has been writing
答案：D
