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
We met Mary and her husband at a party two months ago. ________ we've had no further communication.
A. Thereof
B. Thereby
C. Thereafter
D. Thereabouts
单项选择题
North Island, South Island, and Steward Island are the three large islands that ______ the country of New Zealand.
A. compact
B. compose
C. comply
D. comprise
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