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
It was________that many people were injured in the accident.
#88749
A
reported
B
to be reported
C
reporting
D
report
________ enough money, Li Hua was unable to buy the new house.
#89046
A
Not saved
B
Not having saved
C
Not to save
D
Not saving