问题
选择题
He was so tired that he fell asleep ___he went to bed.
A．as if
B．even though
C．ever since
D．as soon as
答案
答案：D
考查状语从句。句意“他是如此的劳累，以至于一躺床上就睡着了。”A“似乎”；B“即使”；C“自从”；D“一......就......”。故选D。
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