________that I could use a special piece of cloth to attract people's attention, I decided to do an experiment.
#93925
A
Having realized
B
Realizing
C
Being realized
D
Realized
推荐题目
___ from a plane, the Great Wall looks like a huge dragon.
#97824
A
Seeing
B
Seen
C
To see
D
Look out
He will do better if properly ____.
#98691
A
encouraged
B
encourage
C
encouraging
D
to encourage
I suggest that the person ____put into prison.
#93214
A
refer to
B
referred to was
C
referred to be
D
referring to should be