___________ she was chosen made us very happy.
| A．What | B．That | C．Why | D．How |
Antarctica holds 90% of the world’s ice, and most of its fresh water (70%) is in a frozen .
| A．state | B．condition | C．situation | D．solution |
She has a lot of things, so she knows exactly how to deal with such a person.
| A．gone through | B．gone on | C．gone by | D．gone into |
Parts of the cave have been badly affected by rain andto the air.
| A．express | B．excavate | C．exposure | D．expand |
By the time Jack returned home from England, his son from college.
| A．graduated | B．has graduated | C．had been | D．had graduated |
The Naxi believe that they came from a creature called Tabu,help them hatch from magic eggs.
| A．who | B．whom | C．that | D．which |