9. 一I must apologize_____ you know ahead
题型:选择题
问题:
9. 一I must apologize_____ you know ahead of time.
一That’s all right.
A.for letting not
B.for not letting
C.to let not
D.not to let
9. 一I must apologize_____ you know ahead of time.
一That’s all right.
A.for letting not
B.for not letting
C.to let not
D.not to let