Either you or any of your family ______ to attend the important banquet that is due tomorrow.
| A．are | B．can | C．have | D．is |
Nowhere else _______ a place as beautiful as Guilin, where the mountains are unique.
| A．you will find | B．are you finding |
| C．will you find | D．you have found |
Our car broke down suddenly and the heavy rain________ our helplessness.
| A．added to | B．led to | C．turned out | D．made up |
I have been told to donate blood by the health expert __________ I need some in the medical treatment one day.
| A．even though | B．as if |
| C．in case | D．now that |
Nelson Mandela _________ his life to fighting for a free society________ all people live together in harmony.
| A．devoted; which | B．spent; in which |
| C．devoted; in which | D．spent; where |
The number of various educational programs is increasing, _______ important roles have been realized by more and more people.
| A．whose | B．where | C．which | D．that |