livemocha. com is a free site _______ visitors can not just learn languages but also chat online.
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A
that
B
where
C
which
D
what
推荐题目
I will never forget the day _____ we worked together in London．
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A
when
B
on that
C
which
D
while
The train from Wenzhou to Hangzhou _________ speed can reach about 300km/h benefits traveling people.
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A
whose
B
where
C
that
D
which
She is my best teacher ______ help I have made great progress．
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A
with whom
B
whose
C
which
D
with whose
Mr Smith is a strict but good teacher, _______cares about both our study and life.
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A
one who
B
whoever
C
the one
D
the person