_____ 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
On many trains and buses, there are some special seats ________ out for senior citizens.
#92562
A
marking
B
marked
C
to mark
D
mark
He got well-prepared for the job interview, for he couldn't risk ______ the good opportunity.
#92834
A
to lose
B
losing
C
to be lost
D
being lost
There was a bloody incident and more than 20 journalists were reported ____ in southern Philippines．
#96720
A
having been killed
B
to have been killed
C
being killed
D
killed
Mr. Smith didn’t go to the party because he had a lot of experiments _____.
#90778
A
do
B
did
C
done
D
to do
I wondered what difficulty he had _____ the plan.
#89585
A
to carry out
B
carrying out
C
carried out
D
with carrying out