When we arrived in ________ used to be called the foggy capital，we found London completely changed.London is now one of the capital cities in the world with the finest air quality.
#75557
A
which
B
what
C
that
D
where
推荐题目
Gun control is the subject ________ Americans have argued for a long time.
#78176
A
which
B
with which
C
about which
D
of which
The newly-built house, the walls _______ are painted light green, is really a peaceful place for us, especially after hard work.
#75922
A
that
B
whose
C
of whom
D
of which
He wrote a letter ________ he explained what had happened in the accident.
#76030
A
what
B
which
C
where
D
as