-i reminded you not to forget the appoinment.
-_______.
A.so you did B.so i do not C.so did you D.so do i
我的选项是c,这是一个错误的选项,请帮我分析一下错误的原因.
______ with so much trouble,we failed to complete the task on time.
A.facing B.face C.faced D.to face
我的选项是a,而a是错误的答案,请问为什么这里不能填facing呢?