单项选择题

He asked me to lend him some money, which I agreed to do, _______that he paid me back the following week.

A．on occasion
B．on purpose
C．on condition
D．only if
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单项选择题
The vision of that big black car hitting the sidewalk a few feet from us will never be ______ from my memory.
A．ejected
B．escaped
C．erased
D．omitted
单项选择题
As a way of the mails while they were away, the Johnsons asked the cleaning lady to send little printed slips asking the senders to write again later.
A．picking up
B．coping with
C．passing out
D．getting across
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