问题
选择题
__________the past and you'll see what a happy life we are leading now. [ ]
A. Think of
B. Thinking of
C. Think about
D. Think over
答案
答案：C
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__________the past and you'll see what a happy life we are leading now. [ ]
A. Think of
B. Thinking of
C. Think about
D. Think over
答案：C