_______ that he made an obvious mistake, Jeff went on with his speech.
#90110
A
Not realized
B
Not to realize
C
Not to have realized
D
Not realizing
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(2013·河南豫西五校质量检测)The text is too difficult. The explanation of our teacher will help make it easy ________.
#88984
A
to understand
B
to be understood
C
understood
D
understanding
Mr. Andrew taught his students how to develop the basic skills in the physics class, ______ everything through jokes and experiments.
#92818
A
to explain
B
explained
C
explaining
D
explains
The doctors did all they the sick man back to life.
#99012
A
could bring
B
could to bring
C
could bringing
D
cuold to bringing
While he was ______ about in the street, Mary came up to him.
#96816
A
wandering
B
wondering
C
wondered
D
wandered