(2013·吉林一中二模)Programs，________to join the old and the young together, are growing in popularity all over the world.
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A
designed
B
to be designed
C
designing
D
having designed
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With online course Crazy English has over 20 million students all over China the class through the Internet .
#97819
A
attend
B
attended
C
attending
D
to be attending
The young man stopped and looked back as if ______ whether he was being followed.
#95381
A
seeing
B
to have seen
C
having seen
D
to see
His first book ______ next month is based on a true story.
#88653
A
published
B
to be published
C
to publish
D
being published
---Who were those people with the flags? ---A group ______ itself the League of Peace.
#97035
A
calls
B
calling
C
called
D
being called