____ H1N1 flu from spreading, our government has taken some effective measures.
#94499
A
Prevent
B
Preventing
C
Prevented
D
To prevent
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______me, he walked up to me, smiling.
#96666
A
To see
B
For seeing
C
On seeing
D
Because seeing
___ poor at English, I'm afraid I can't make myself ___.
#94166
A
To be; understand
B
I'm ; to understand
C
Being; understanding
D
Being; understood