In fact___ is a hard job for the police to keep order in an important football match.
| A．this | B．that | C．there | D．it |
Lily seems to know a lot about Hong Kong, but she has never been there．
| A．typically | B．normally | C．actually | D．naturally |
We all know the truth there are air, water and sunlight there are living things．
| A．where | B．wherever | C．that | D．that wherever |
＿＿ her hair getting gray, she has decided to have it dyed．
| A．As | B．For | C．With | D．Though |
The invention of artificial hearts marked a turning point in the battle heart disease．
| A．among | B．for | C．against | D．between |
Some people try to knock me down, only me more determined to do better．
| A．to make | B．makes | C．having made | D．made |