It was announced that only when the fire was under control_______to return to their homes.
| A．the residents would be permitted | B．had the residents been permitted |
| C．would the residents be permitted | D．the residents had been permitted |
I hope you don’t mind me asking, ________where did you buy those shoes?
| A．so | B．and | C．yet | D．but |
The study surveyed 500 families and found the mainproblem people suffered was tiredness, followed by loneliness and anxiety.
| A．domestic | B．public | C．psychological | D．biological |
Although the country has had political independence for over a century,it needs the support of its neighbors.
| A．naturally | B．economically | C．especially | D．luckily |
If your race car isn’t insured, you maylosing everything when it hits something solid．
| A．delay | B．deny | C．avoid | D．risk |
AIDS control and prevention is ato China as well as the whole world．
| A．surprise | B．challenge | C．reaction | D．threat |