单项选择题

I am often asked whether I regret（）my PhD project.

A．no to finish
B．not have to finish
C．having not finished
D．not having finishing

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单项选择题

The statesman had a hard time（）his supporters to see the point.

A．getting
B．got
C．having got
D．to get

单项选择题

Little（）that I would one day take part in a war that would last for six years.

A．I knew
B．I know
C．would I know
D．did I know