______ a pair of compasses, it is easy to describe a circle.
#93189
A
Having
B
To have had
C
If you have
D
If having
推荐题目
The reason Beethoven went away to the country is ______.
#95022
A
that he was gradually going deaf
B
because he was gradually going deaf
C
on account of the fact that he was gradually going deaf
D
since he was gradually going deaf
I’m sorry I can’t help ___________ the flowers, because I’m busy preparing for the singing competition _____________ tomorrow.
#91888
A
watering; to be held
B
water; being held
C
to water; held
D
to water; to be held
So far, all of the infected people are thought _______ the flu after direct contact with sick birds.
#92384
A
to have caught
B
having caught
C
to catch
D
being caught
______ what your families said just now, I think, and you will make your own decision.
#92081
A
Consider
B
Considering
C
To consider
D
Considered
A new planet has been discovered recently. It’s ______ Earth，and hopefully it can support human life.
#93306
A
almost three times the size of
B
three times the size than
C
three times almost as large as
D
almost three times as larger as