Now China is fighting against illegal cooking oil（地沟油）, a kind of waste oil _____can cause a lot of illness.
#42592
A
which
B
whose
C
who
D
what
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I’m deeply impressed by the French teenager ___ I met on the trip..
#42627
A
what
B
who
C
which
D
where
A friend is someone ______ says, “What! You too? I thought I was the only one!”
#42878
A
who
B
which
C
what
D
whose
It’s time to say goodbye to my school . I’ll always remember the people ____ have helped me .
#42929
A
who
B
what
C
where
D
which