_______ a pair of compasses, it is easy to describe a circle.
#70488
A
Having
B
To have had
C
If you have
D
if having
推荐题目
Since ______ to the world, the dance “GangnamStyle” has caused a release of a certain feeling.
#68121
A
introduced
B
introducing
C
being introduced
D
to be introduced
Don’t worry about the child. Next to him ________ a lady, _______ he can turn when he is in trouble.
#69589
A
sits; whom
B
sits; to whom
C
is sitting; with whom
D
was sitting; to whom