The machine is so old ___ it can’t be used any more ___ some of its parts are changed.
| A．as, unless | B．that, unless | C．that ,if | D．whether, or |
Joining the firm as a clerk, he got rapid promotion,andas a manager.
| A． | ended up | B． | dropped out | C． | came back | D． | started off |
Traditional folk arts of Tianjin like paper cutting_______at the culture show of the 2010 Shanghai World Expo.
| A．are exhibiting | B．is exhibiting | C．are being exhibited | D．is being exhibited |
Mark_______have hurried. After driving at top speed .he arrived half an hour early.
| A．needn’t | B．wouldn’t | C．mustn’t | D．couldn’t |
------ Professor Johnson, I’m afraid I can’t finish the report within this week.
------_______How about next week?
| A．Good for you | B．It won’t bother me | C．Not at all | D．That’s OK |
（）in my life impressed me so deeply as my first visit to the Palace Museum.
| A． | Anything | B． | Nothing | C． | Everything | D． | Something |