河南成教 / 大学英语
正确率：100%
19、
Mary filled in the application form, but she didn’t know which office _ _ _ _ _ _ _ .
A.to be sent to
B.to send it to
C.to be sent
D.to send it
Mary filled in the application form, but she didn’t know which office _ _ _ _ _ _ _ .
参考答案：