The boy seated himself in the corner with his back       to his father.
#88907
A
turning
B
to turn
C
to be turned
D
turned
推荐题目
If I         long enough to have a job, I would choose to be a doctor,      those AIDS patients.
#90980
A
had lived; helping
B
should live; help
C
were to live; helping
D
should have lived; help
The lecture ________, a lively question-and-answer session followed.
#88387
A
being given
B
having given
C
to be given
D
having been given
The library needs ______, but it will have to wait until Sunday.
#97980
A
cleaning
B
be cleaned
C
clean
D
being cleaned