Mr Black has two sons, one of ________working as a doctor.
#91000
A
them
B
who
C
whom
D
whose
推荐题目
With the old man ______ the way, we had no trouble in finding the village.
#91509
A
show
B
to show
C
showing
D
shown
With the school rules _____ by the students, the school has taken on a new look.
#91046
A
respected
B
respect
C
were respected
D
respecting
Microblogs experienced rapid growth in 2011 in China, with the number of microblog operators, users and visitors _____ several times.
#91281
A
to increase
B
increasing
C
increased
D
increase
The project__________, my colleagues and I had a party to celebrate it.
#90961
A
completed
B
was completed
C
had completed
D
completing
__________ , we'll come to see you again.
#91657
A
If time will permit
B
Time permits
C
Time permitting
D
Time permited
