高等继续教育 / 专科英语I
正确率：100%
题型描述: 单选题
It’s essential that these application forms ＿＿＿＿＿＿＿＿ back as early as possible.
A.must be sent
B.are sent
C.be sent
D.will be sent
It’s essential that these application forms ＿＿＿＿＿＿＿＿ back as early as possible.
A.must be sent
B.are sent
C.be sent
D.will be sent
参考答案：
佳题速递：