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
推荐题目
Any student ___ will be disqualitified from the exam.
#98813
A
catching cheating
B
catching to cheat
C
caught cheating
D
caught to cheat
________ in a white uniform, he looks more like a cook than a doctor.
#89191
A
Dressed
B
To dress
C
Dressing
D
Having dressed
It is one of the funniest things ____on the Internet so far this year.
#94506
A
finding
B
being found
C
to find
D
found