______ 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
I saw Helen at the party last month. It _________ a year since we met last time.
#92228
A
was
B
is
C
has been
D
would be
Thousands of years ago people discovered the phenomenon by chance, and this was _____ the idea of the compass first came from.
#93503
A
how
B
what
C
where
D
that
Only when ________ be possible to sign the papers.
#93532
A
does the boss come will it
B
the boss comes will it
C
has the boss come it will
D
the boss comes it will
You’re＿＿＿＿＿your time trying to persuade him. He’ll never join us.
#94945
A
spending
B
wasting
C
losing
D
missing