单项选择题

This passage is mainly about _________.

A． candy and flowers
B． parents and their children
C． valentines and their receivers
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单项选择题
The fisherman began to pull the rope ______.
A． when there was a fish
B． after he finished throwing it
C． when it became very heavy
单项选择题
He did not notice the boat began to sink because ______.
A. he was thinking of money and was too happy
B. he was very tired
C. he went on pulling the hooks
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