My friend Jack was the first person I knew ______an iPhone 5S.
#89592
A
using
B
to use
C
used
D
having used
推荐题目
When first____ to the market, these products enjoyed great success.
#95754
A
introducing
B
introduced
C
introduce
D
being introduced
He offered the information the police needed and deserved _______.
#96194
A
rewarded
B
to reward
C
being rewarded
D
rewarding
The building ______ next year will be a restaurant．
#97293
A
having been built
B
to be built
C
being built
D
built
____ from endless homework on weekends, the students now find their own activities, such as taking a ride together to watch the sunwise.
#98162
A
Freed
B
Freeing
C
To free
D
having freed