------He was tired he fell asleep as soon as he lay down.
-------Oh ,we can go out and let him have a good rest.
A. too ,to
B. so, that
C. enough ,to
D. such ,that
网友回答
A. too ,to
(答案→)B. so, that
C. enough ,to
D. such ,that
解析：考查句型：so+形容词或副词+that从句，表示如此…以至于…引导结果状语从句。句意：他如此的累以至于他一躺下就睡着了。所以选B。