问题
单项选择题
He has forgotten what ______ are involved and the time taken ______ delivery. ( )
A．formalities, in
B．procedures, for
C．formalities, for
D．procedures, in
答案
参考答案：C
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He has forgotten what ______ are involved and the time taken ______ delivery. ( )
A．formalities, in
B．procedures, for
C．formalities, for
D．procedures, in
参考答案：C