注意：此页面搜索的是所有试题
题目内容
（国家开放大学报关实务）
We are disappointed to note that so far we have not received your L/C which ____ us before April 1st.
A.shall reach
B.must have reached
C.should have reached
D.is reaching
A.shall reach
B.must have reached
C.should have reached
D.is reaching
参考答案