AIDS is said ______ the biggest health challenge to both men and women in that area over the past few years.
| A．that it is | B．to be | C．that it has been | D．to have been |
Tom told us all that he said at the meeting was really true．
| A．that | B．all | C．what | D．which |
We are greatly encouraged by ______ great expectation the people of all ethnic groups in China have of us, and we are aware that this is also ______ important responsibility for us.
| A．a, the | B．the;an | C．the, the | D．a:/ |
As an official, one should serve the people at any cost _______sitting back to protect the chair．
| A．in term of | B．instead of | C．in need of | D．in favor of |
Mr. Zhang once taught in a remote village in Anhui province as a volunteer, _______was accessible only on foot.
| A．where | B．which | C．that | D．what |
Parents have to be able to to be , to go with their kids, and also give them the room to grow.
| A．responsible | B．strict | C．flexible | D．careful |