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
__________ in the traffic jam, he was likely to be late for the job interview. 
#97205
A
Being stuck
B
Having stuck
C
Stuck
D
Got stuck
Mrs. White showed her student some old maps _________from the library.
#90824
A
to borrow
B
to be borrowed
C
borrowed
D
borrowing
The boy tried his best to make himself         in his         English.
#97083
A
understood; breaking
B
understand; breaking
C
understand; broken
D
understood; broken