—Do you know the most ancient city in China—Xi’an well?
—No，this is the first time I ________ here. 

Doctors have said that as many as 50% of the patients don’t take medicine as 　　　　.

It is time the whole society 　　　　 the disabled as they are.

Never before 　　　　 in greater need of technical experts than it is today.

Sorry， I didn’t hear you. I 　　　　 to the music.

If one 　　　　 succeed， one must put his heart into his career.

After he left college , he was employed in an international company and _____        there ever since .

Bob would have helped us yesterday, but he_______

Dr. Smith, together with his wife and daughters ,          visit Beijing this summer.             
A  is going to   B are going to    C was going to   D  were going to

—Why didn’t you buy the gold ring?
—I ______ but I didn’t have the money.