问题
选择题
So that all the living things are dying out gradually .
A．serious polluted the lake is
B．serious polluted is the lake
C．seriously polluted the lake is
D．seriously polluted is the lake
答案
答案：D
考查so…that…的倒装句，把so+adj/adv置于句首，句子用部分倒装，be动词，助动词或情态动词放在主语前，句意是：这个湖污染如此严重以至于所有的生物逐渐的快要灭绝了。选D。