______ 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
13. It’s already 9 o’clock and Mother _____ step in any moment.
#93824
A
probably
B
is possible
C
is likely to
D
is probable to
It will be three days __________he ________back from his home town..
#92345
A
when; will come
B
after; will come
C
since; comes
D
before; comes
It’s wise to forget things which aren't worth ______.
#92778
A
being remembered
B
remembering
C
to be remembered
D
to remember