He went over the examination paper ___ there should be some mistakes.A.if B.in case of C.so that D.lest
问题描述：
He went over the examination paper ___ there should be some mistakes.
A.if B.in case of C.so that D.lest
答
in case of 也有以免的意思，但是后面不可以接从句
答
选 D， lest后面跟虚拟语气。
他检察了试卷以防会有一些错误。
in case of 假设
if 如果
so that 以致
lest 以免
答
B