_____ people are waiting to watch the raising of the national flag at Tian’an Men Square.
A. Hundred B. Thousand C. Two hundreds D. Thousands of
The new library building _____ last week.
A. was completed B. is completed C. completed D. has completed
—Did you call Sara back?
—I didn’t need to, _____ we’ll have a meeting together tonight.
A. though B. unless C.. because D. if
Keep practicing and you _____ your English.
A. improve B. will improve C. improved D. were improving
The air in mountain areas is ____ that in big cities.
A. as fresh as B. fresher than C. as dirty as D. dirtier than
Beijing is _____ capital of China and it is _____ city with many places of interest.
A. a; a B. a; the C. the; a D. the; the
