.
AIDS is said________the biggest health to people in that area over the past few years.
| A．that is | B．to be | C．that it has been | D．to have been |
The song is about a couple forced to separate _________, but they valued the memories of their love all their lives.
| A．casually | B．permanently | C．temporarily | D．frequently |
. The ________ flight CA9525 for 11:30 a.m. is to be put off because of the stormy weather.
| A．formal | B．regular | C．ordinary | D．common |
. Being able to speak another language well is a great _______ when you are looking for a job.
| A．assistant | B．importance | C．advantage | D．chance |
Public _________ of the problem will make the government take it seriously.
| A．existence | B．evidence | C．awareness | D．solution |
Richard _________ from his studies that gender equality is still a long way off.
| A．resulted | B．confirmed | C．accounted | D．concluded |