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I have a friend _______ is training for the Olympics．　 
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A
who
B
whose　　　
C
what　　　
D
where
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They often have problems with______.
#42717
A
what will they be able to do
B
what they will be able to do
C
that will they have to do
D
that will they have to do
Ted will never forget the days            he spent with his grandmother in the countryside.
#42595
A
when
B
that
C
what
D
how
– Is this the factory_____you visited last year?–Yes,it is.
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A
where
B
when
C
which
D
who
He has a friend _______ father is a doctor.
#43070
A
who
B
whom
C
whose
D
which
The young lady________ is talking with our teacher comes from America.
#42609
A
who
B
whom
C
which
D
whose