______ 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
Kate, run a bit faster, ____ you can catch up with all of your classmates.
#92180
A
so
B
and
C
but
D
or
Rather than ____ on a crowded bus, he always prefers ______ a bicycle.
#92679
A
ride; ride
B
ride; to ride
C
riding; ride
D
to ride; riding
Only when _____ possible to settle the problem how to get the machine repaired.
#93384
A
does the monitor come will it be
B
the monitor comes will it be
C
has the monitor come it will be
D
the monitor comes it will be
There is ________ in population that a food shortage is caused.
#93512
A
so rapid an increase
B
such rapid an increase
C
such rapid increase
D
so a rapid increase