英语语法选择题...急18.The naught boy always pretends to be busy doin
英语语法选择题...急 18.The naught boy always pretends to be busy doing his homework _____ his father enters his room to see what he's doing alone. A.while B.as C.each time D.once 为什么选C不选B阿? 我把这句子看成是时间状语从句用as引导有什么不对吗?