—I’m sorry. There was too much traffic on the road.
—Never mind. The meeting ________ for only 5 minutes.
A．has begun B．has stopped
C．has been on D．has finished
On March 29th ， the Chinese football team managed to win an important match. Their success shows nothing is ________ if we try our best to make it.
A. impossible B. helpless
C. possible D. helpful
—_______ is your school like， Ann?
— It is a large and beautiful campus with a 50-metre-long swimming pool.
A．How B．What C．Where D．Why
The environment in Nanjing will be ________ than it was before if we all keep working for it.
A. much better B. more serious
C. quite bad D. even worse
—What do you think of the science exam?
—Very difficult! We all find ______ the most difficult one we have ever taken.
A．this B．that C．it D．/
Chinese President Xi Jinping made a speech at the 4th Nuclear Security Summit ______ March， 2016.
A. in B. at C. on D. of
