Jonathan，a Seychelles giant tortoise on the island of Saint Helena，turned 190 years old on 3 December.No one（1）

knows

knows

（ know） for sure how old Jonathan is.But pictures taken in 1882 show that Jonathan was full-grown then.
    Seychelles giant tortoises take about 50 years to become adults（成年），so animal experts think Jonathan was probably born around 1832.That makes him the world's（2）

oldest

oldest

（ old） land animal.
    Saint Helena，an island in the South Atlantic Ocean，isn't actually part of the UK，but Britain supports and protects it.Together with two other （3）

islands

islands

（ island），the area has its own government（政府）.
    （4）

In

In

1890，Sir Grey- Wilson became the governor（總督） of Saint Helena.He brought Jonathan along with him to live at the governor's home，called Plantation House.So far，over 30 other governors（5）

have lived

have lived

（ live） at Plantation House，but Jonathan has remained.Now there are three other giant tortoises there living with him.
    Saint Helena isn't（6）

a

a

big place — only about 4，500 people live there — so Jonathan is a star on the island.His picture is already on one of Saint Helena's coins.
    It's hard （7）

to understand

to understand

（ understand） how much the world has changed in Jonathan's lifetime.Jonathan was born before the invention of the Internet，computers，TVs，radios，or telephones.Forty different presidents have led the US（8）

since

since

he was born.
    The tortoise is （9）

really

really

（ real） happy as long as he can sleep and eat.He likes to warm himself by sleeping in the sun.When the weather becomes even colder，he digs（10）

himself

himself

（ he） into dry grass to keep warm.
    To celebrate Jonathan's birthday，Saint Helena held a three-day party.