时态 CATHERINE :Has lan sold his house yet?CATHERINE :Has lan sold his house yet?一般过去式 还是 过去完成时?
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时态CATHERINE:Haslansoldhishouseyet?CATHERINE:Haslansoldhishouseyet?一般过去式还是过去完成时?时态CATHERINE:Haslansol
时态 CATHERINE :Has lan sold his house yet?CATHERINE :Has lan sold his house yet?一般过去式 还是 过去完成时?
时态 CATHERINE :Has lan sold his house yet?
CATHERINE :Has lan sold his house yet?一般过去式 还是 过去完成时?
时态 CATHERINE :Has lan sold his house yet?CATHERINE :Has lan sold his house yet?一般过去式 还是 过去完成时?
现在完成时,强调的是现在的状况,他已经卖了房子了吗?
现在完成时