It is essential that these application forms ______ back as early as possible. A．must be sent B．will...
2023-01-13 23:46:38 93次 2011-2012学年广西省高三第二次月考英语题 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
It is essential that these application
forms ______ back as early as possible.
|
A．must be sent
|
B．will be sent
|
C．are sent
|
D．be sent
|
本题链接：
