With a lot of difficult problems _______, the newly-elected president is having a hard time. 
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A
settled
B
setting
C
to settle
D
being settled
推荐题目
 There are many mistakes in his essay, ______ his failure.
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A
which results
B
leading to
C
led to
D
that led to
Every minute must be made full use _______ in class.
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A
of studying
B
to study
C
to studying
D
of to study
There was a terrible noise _______the sudden burst of light.
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A
followed
B
following
C
to be followed
D
being followed