--I'llbewaitingforyouathome.--________Iwerebusyandcouldn'tco

发布时间：2020-08-07 01:25:19

-- I'll be waiting for you at home.
-- ________ I were busy and couldn't e?A.What ifB.What whenC.How ifD.How when

网友回答

A解析what if是一个固定用法，表示“如果……那怎么办?”
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