____ several times, the young scientist still kept on doing his experiments.
#92897
A
Having failed
B
Having been failed
C
Failed
D
To fail
推荐题目
_______ the news, they are very happy.
#93481
A
Hearing
B
Heard
C
Hear
D
To hear
She is accustomed to ____ like that.
#95227
A
be spoken
B
being spoken
C
speak
D
being spoken to
That was a terrible night . The rain was pouring down, _________ thunder and lightning.
#91546
A
being accompanied by
B
accompanied by
C
accompanying
D
accompanies