原音重現(xiàn):
A:Why is Sam late for this meeting?
薩姆為什么開會遲到?
B: I'm not sure. I don't know what's keeping him.
是呀,不知道為什么遲到了。
(二).What took you so long? 做什么用了這么久?
原音重現(xiàn):
A:What took you so long?
為什么遲到了?
B: I had to go change my clothes.
我換衣服來著。