Joseph off at the airport, Sally finished her work earlier.
#96413
A
Having seen
B
Seen
C
To see
D
To be seen
推荐题目
One learns a language by making mistakes and ________them
#91217
A
correct
B
to correct
C
to correct
D
correcting
Below ____ an article about advertisements ____ by a student for her English project.
#88249
A
are; writing
B
be; to be written
C
being; written
D
is; written
She was staring out over the lake,_____ in thought. 
#98749
A
lost
B
losing
C
to lose
D
to having lost