he was just going to leave the restaurant until another traveler came in.不是求翻译,而是里面用WHEN 与UNTIL哪个比较合适?当需要做单选之时,应选WHEN还是UNTIL比较适合此句?选UNTIL前面能用过去进行时吗,似乎不

he was just going to leave the restaurant until another traveler came in.不是求翻译,而是里面用WHEN 与UNTIL哪个比较合适?当需要做单选之时,应选WHEN还是UNTIL比较适合此句?选UNTIL前面能用过去进行时吗,似乎不
he was just going to leave the restaurant until another traveler came in.
不是求翻译,而是里面用WHEN 与UNTIL哪个比较合适?当需要做单选之时,应选WHEN还是UNTIL比较适合此句?
选UNTIL前面能用过去进行时吗,似乎不太合适.
选WHEN感觉前面用进行时比较合适.
能说一下语法结构?

he was just going to leave the restaurant until another traveler came in.不是求翻译,而是里面用WHEN 与UNTIL哪个比较合适?当需要做单选之时,应选WHEN还是UNTIL比较适合此句?选UNTIL前面能用过去进行时吗,似乎不
选when
当.的时候,他正在做某事.
直到.的时候,他正在做某事.
你觉得哪个更通顺呢?
Until一般用作如下结构（假设是过去时）：
sb.didn't do sth.until .
某人直到.的时候才.

用WHEN .
until 一般与否定形式连用