问题描述：
have you ever been to singgapore?yes.i( )there
have you ever been to singgapore?
yes.i( )there last year with my parents.
A.goB.wentC.haveDwad going
have you ever been to singgapore?
yes.i( )there last year with my parents.
A.goB.wentC.haveDwad going
问题解答：
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