单项选择题

Little ______ when I embarked on this quest(探求)where it would lead me.

A．have I know
B．had I know
C．do I known
D．did I know
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单项选择题
You ______ take your tools in case some machines need repairing.
A．had better
B．would rather
C．would better
D．had rather
单项选择题
The street was named ______ the hero who gave his life for the cause of the people.
A．after
B．with
C．by
D．from
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