单项选择题

Einstein almost knocked me down ______ he saw me.

A．until
B．after
C．before
D．as
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单项选择题
Biotechnology is supposed to provide more jobs, promote more growth, create better harvest and ______ the Earth many insect-killing chemicals into the bargain.
A．spare
B．make
C．provide
D．furnish
单项选择题
His father wouldn't give him any money, and ______ lend him any.
A．or he would
B．nor he would
C．nor would he
D．or would he
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