问题
选择题
The time the old man devotes ____ English at home is very important to him. [ ]
A. to studying
B. to study
C. of being studied
D. of studying
答案
答案：A
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The time the old man devotes ____ English at home is very important to him. [ ]
A. to studying
B. to study
C. of being studied
D. of studying
答案：A