These continual _____ in temperature make it impossible to decide what to wear.
| A．alterations | B．vibrations | C．waves | D．fluctuations |
__________ the displays of culture and technology, the Shanghai Expo also showcased the spirit of voluntarism.(志愿者精神)
| A．Apart from | B．More than | C．Instead of | D．Other than |
The Shanghai Expo has had a major impact upon China. It is the first World Expo _________ in a developing country in the event’s 159-year history.
| A．having been held | B．to hold | C．being held | D．to be held |
------ How’s your tour around the North Lake? Is it beautiful?
------ It _______ be, but it is now heavily polluted.
| A．will | B．should | C．would | D．must |
Smith’s jacket looked just the same as Jack’s, but it cost __________ his.
A. as much twice as B. much as twice as c. as twice much as D. twice as much as
If it were not for the fact that she __________ sing, I would invite her to the party.
| A．couldn’t | B．shouldn’t | C．can’t | D．might not |