_______ from other continents for millions of years, Australia has many plants and animals not found in any other country in the world.
#92771
A
Being separated
B
Having separated
C
Having been separated
D
To be separated
推荐题目
When the teacher came in, the students pretended _______ the text.
#93888
A
to read
B
to be reading
C
to have read
D
having read
The club, _ _ 25 years ago, is holding a party for past and present members.
#93218
A
founded
B
founding
C
being founded
D
to be founded
Little Jim should love _____to the theatre this evening.
#98361
A
to be taken
B
to take
C
being taken
D
taking
—Tom is so worried about the test that he said he was going to study all night. —Tell him he should quit ______ and get some help.
#93350
A
to have worried
B
to worry
C
worrying
D
from worrying
_________ in the fields on a March afternoon，he could feel the warmth of spring．
#98278
A
To walk
B
Walking
C
Walked
D
Having walked