They will have the final exam ______ three months.A.after B.in C.for D.at
问题描述：
They will have the final exam ______ three months.
A.after B.in C.for D.at
答
应该选B
句意为：他们将在三个月以后迎接期末考试
B in +一段时间，表将来，”在．．．以后”
答
选 B
They will have the final exam in three months.
在三个月后，他们将会有期末考试。
in: 在...之内(上),修饰时间的将来式
答
B in +一段时间,表将来,”在．．．以后”
答
in 三个月内