单项选择题
I feel it's an honor（）to attend the opening ceremony of the new bank.
A.to invite B.of being invited C.to be invited D.having invited
单项选择题 ---- I do apologize for knocking you down. ----（）
单项选择题 The world's supplies of copper（）
单项选择题 — Would you mind closing the window? —（）.
