During the dialogue with Chinese youth in Shanghai, President Obama announced the U.S. would expand the number of students to study in China to 100,000 _______ ties between the two countries.
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A
strengthening
B
strengthened
C
to strengthen
D
to be strengthened
推荐题目
I walked out of the cinema, ______ to return to see the wonderful film next Sunday. 
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A
determine
B
determining
C
determined
D
to determine
The wallet was returned to him without anything _____.
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A
missed
B
to be missed
C
missing
D
to miss
He pretended __________when his mother stepped into the room..
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A
to study
B
studying
C
to be studying
D
to have studied