(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 ________.
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A
to understand
B
to be understood
C
understood
D
understanding
推荐题目
She pretended _______ me when I passed by.
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A
having not seen
B
not seeing
C
to not see
D
not to see
 Finding her car stolen, _______. 
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A
a policeman was asked to help
B
the area was searching thoroughly
C
it was looked for everywhere
D
she hurried to a policeman for help