After ________in the research for so many years，the scientist succeeded in finding the result at last.
#93113
A
buried
B
being buried
C
having buried
D
having been buried
推荐题目
Our teacher is clever and hardworking, but not very good at _______ his ideas to us.
#95817
A
getting over
B
getting across
C
getting on
D
getting into
I heard it was going to become cloudy this afternoon, ____ by a storm.
#95098
A
following
B
followed
C
follow
D
to follow
The little baby, if _________ by other people, will wake up and cry.
#89737
A
disturbing
B
disturbed
C
to be disturbed
D
being disturbed
____ warmly for his work, he was too____ to fall asleep.
#96607
A
Praising; excited
B
To praise; exciting
C
Praised; exciting
D
Praised; excited