When first __________ to the market, the computer software was not a success due to its complexity in operation.
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A
introducing
B
being introduced
C
introduced
D
to be introduced
推荐题目
When I came in, I found Lucy by the window to music.
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A
seated; listening
B
seated; listened
C
seating; listened
D
seating; listening
The children went back home from the grammar school, their lessons ________ for the day.
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A
finishing
B
had been finished
C
finished
D
had finished
He would be sure ________ disasters if I didn't stay to keep an eye on him.
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A
of meeting
B
about meeting
C
meeting
D
to meet