_____ from other continents for millions of year, Australia has many plants and animals not found in any other country in the world. 
#90380
A
Being separated
B
Having been separated
C
Having separated
D
To be separated
推荐题目
All the people present agreed that the matter required ___________.
#94154
A
to look into
B
being looked into
C
to be looked
D
looking into
In the traffic accident, his father came close to_________ .
#98067
A
be killed
B
being killed
C
kill
D
killing
.With the money _______ , he couldn’t buy any ticket. 
#97443
A
to lose   
B
losing   
C
lost   
D
has lost
When asked why he went there, he said he was sent there ________ for a space flight.
#95877
A
training
B
being trained
C
to have trained
D
to be trained