作业帮he asked me _____ I wanted to go to Beijing by train or by plane .为什么要用whether 而不用if
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he asked me _____ I wanted to go to Beijing by train or by plane .为什么要用whether 而不用if
he asked me _____ I wanted to go to Beijing by train or by plane .
为什么要用whether 而不用if
he asked me _____ I wanted to go to Beijing by train or by plane .为什么要用whether 而不用if
这个用什么都行
如果有or not用wherther
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