The American girl father is an engineer is my pen friend．
#78227
A
who
B
whose
C
that
D
which
推荐题目
Global warming has become a serious problem, ______ we must find solutions.
#75061
A
which
B
to which
C
with which
D
that
He got himself into a difficult situation ________he must make a final decision all by himself.
#76149
A
which
B
what
C
when
D
where
He bought whatever caught his eye in the store _______ he often went .
#78017
A
where
B
which
C
what
D
that
The road conditions there were very good, _______ was more than we could expect.
#77949
A
it
B
what
C
which
D
that
The factory produces half a million pairs of shoes every year,80%________ are sold abroad.
#76057
A
of them
B
which of
C
of which
D
of that