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
 Your idea surprised me, it is a(n) _____. 
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A
idea surprised
B
surprised idea
C
surprising idea
D
idea surprising
I got to the office earlier that day,   the 7:30 train from Paddington
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A
caught
B
to have caught
C
to catch
D
having caught
--- I usually go there by train. --- Why not _______ by boat for a change? 
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A
to try going
B
trying to go
C
to try and go
D
try going