问题
选择题
I regret _____ more time with my grandma before she passed away.
A．not spending
B．not to spend
C．not spend
D．not have spent
答案
答案：A
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I regret _____ more time with my grandma before she passed away.
A．not spending
B．not to spend
C．not spend
D．not have spent
答案：A