问题描述：
第一期英语问题 不规则过去式
写出以下动词的过去式
sing
see
buy
run
put
cut
go
do
take
eat
have
read
hear
写出以下动词的过去式
sing
see
buy
run
put
cut
go
do
take
eat
have
read
hear
问题解答：
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