问题
选择题
—Do you know why he left so early?
—_______ for the English test, I guess. [ ]
A. To study
B. Study
C. Studied
D. Studying
答案
答案：A
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—Do you know why he left so early?
—_______ for the English test, I guess. [ ]
A. To study
B. Study
C. Studied
D. Studying
答案：A