________ with some research materials, he decided on three possible approaches in his experiment.
#90081
A
Preparing
B
Prepared
C
Having prepared
D
Prepare
推荐题目
Yesterday afternoon,a little girl narrowly escaped over when she ran through the street.
#98090
A
running
B
to be run
C
from running
D
being run
I'll have all of the readings ______ by the end of this term if my plan goes well．
#94255
A
completing
B
to complete
C
completed
D
being completed
I remember _________ the doors when I left the house, but I forgot _______ you about that so that you didn’t need to worry．
#94388
A
to lock; to tell
B
locking; forgetting
C
locking; to tell
D
to lock; telling
We had an anxious couple of weeks, ____ for the results of the experiment.
#91142
A
wait
B
to be waiting
C
waited
D
waiting
The composers soon began to write musical dramas about Bible stories ______ in church.
#98725
A
to perform
B
performing
C
to be performed
D
be performed