When first __________ to the market, the computer software was not a success due to its complexity in operation. 
#96476
A
introducing
B
being introduced
C
introduced
D
to be introduced
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He is a football fan, so he is keen ________ football matches all day.
#88313
A
to watching
B
about watching
C
to watch
D
for watching
________by the beauty of nature, the girl from London decided to spend another two days on the farm.
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A
Attracting
B
Attracted
C
To be attracted
D
Having attracted
The building _____ next month will be a modern hospital.
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A
built
B
being built
C
to be built
D
to built