14．Panda Mei Lan returned to China yesterday. She_____in US since she was born.
| A．had been living | B．is living |
| C．will have been living | D．has been living |
There is no _________ that the Chinese people will present to the world a successful, splendid and unforgettable exposition（博览会）.
| A．belief | B．doubt | C．possibility | D．need |
It’s certain that holding such _________ National Day parade will significantly improve _________ national pride and self - confidence of the Chinese People.
| A．the; the | B．a; a | C．a; the | D．the; a |
We _________ last night, but we went to the concert instead.
| A．must have tudied | B．might study |
| C．should have studied | D．would study |
As a coach, you should know clearly about the direction _____ your team should develop.
| A．to which | B．from which | C．in which | D．for which |
．The highest award was given to Anna, who _____ so hard on the project for years, and at last her efforts paid off.
| A．has worked | B．worked | C．was working | D．had been working |