Half the world's population __________ water shortages within 15 years according to the World Bank, just one of many recent alarming reports on the world's fresh water supply.
| A．are suffering |
| B．have been suffered |
| C．will suffer |
| D．were suffered |
12．I have written down everything that I saw and heard____memories are still fresh.
| A．since | B．while | C．before | D．Unless |
11．____, the activists tallied to the workers outside the factory and left positive message about protecting the earth.
| A．Brave and strong | B．Bravely and strongly |
| C．Brave and strongly | D．Bravely and strong |
10．－Have you been to the Great Wall?
－Perhaps not in my memory. _______ , it might have been during my early childhood.
| A．If any | B．If ever | C．If so | D．If not |
9．－The box is too heavy for me to carry.
－.
| A．Never mind | B．Let me give you a hand |
| C．I'll do you a favour | D．My pleasure |
8．For us Senior Three students, believing that our hard work will___can strengthen our confidence.
| A．pay off | B．take off | C．set off | D．put off |