问题
选择题
—I had invented many new things____ last year.
—Congratulations. I was supposed to learn from you. [ ]
A. at the time of
B. by the time of
C. in time of
答案
答案：B
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—I had invented many new things____ last year.
—Congratulations. I was supposed to learn from you. [ ]
A. at the time of
B. by the time of
C. in time of
答案：B