_________ that he was in great danger，Eric walked deeper into the forest．
#97919
A
Not realized
B
Not to realize
C
Not realizing
D
Not to have realized
推荐题目
Despite the great difficulty we had _____ out the plan, it paid off in the end.
#89409
A
carrying
B
carried
C
to carry
D
carry
_____ in a poor family made Jack very hardworking when he was still young.
#96595
A
Brought up
B
Bringing up
C
Having brought up
D
Being brought up
The two old sisters, _______ so long, held each other and burst into tears.
#97665
A
being separated
B
having been separated
C
having separated
D
had been separated
(2014·东北三校模拟)________about the student，the teacher called his parents to find out why he was so often absent from class.
#88443
A
Concerning
B
Concern
C
Concerned
D
To concern
How dirty the windows are! They really require _______.
#96818
A
to clean
B
being cleaned
C
to have cleaned
D
cleaning