His essay, ____many times,was brief and to the point,and therefore won the first prize in the writing competition.
#97833
A
polishing up
B
having polished up
C
to be polished up
D
having been polished up
推荐题目
      to life imprisonment, Bo xilai lost all hope.
#90572
A
Be sentenced
B
Sentencing
C
To sentence
D
Having been sentenced
He explained the question again to make it easier _______.
#91914
A
to understand
B
understanding
C
understood
D
understand
Mary is proud        a record by running two laps this year.
#88574
A
to break
B
to have broken
C
breaking
D
having broken