— I must apologize for _____ ahead of time.
— That’s all right.
| A．letting you not know | B．not letting you know |
| C．letting you know not | D．letting not you know |
The small window in the wall could ______ some light into the room.
| A．admit | B．hold | C．host | D．replace |
As we know, _______ medical examination will help us find out health problems as early as possible.
| A．normal | B．general | C．regular | D．common |
Some exercises appear to be ______ ones you have done, but on ______ second thoughts, you’ll find that they’re different.
| A．/; the | B．the; / | C．the; a | D．/; / |
—Thank you for having bought me a ticket for the World Expo in Shanghai!
— ________.
| A．Come on | B．All right | C．No problem | D．With pleasure |
It doesn’t seem ugly to me,________,I think it’s rather beautiful.
| A．on purpose | B．in addition | C．in case | D．on the contrary |