______ 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
.We don’t have to feel curious about him. Actually he leads _______ we ordinary people do.
#94180
A
as a life normal as
B
as normal as
C
as normal a life as
D
as a normal life as
She was grateful _____ George _____ all _____he had done.
#92112
A
to; for; that
B
to; for; what
C
for; to; that
D
for; to; what
Rather than________on a crowded bus, he always prefers___________a bicycle.
#94665
A
ride, ride
B
riding, to ride 
C
ride, to ride
D
to ride, riding