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She looks very sad. I want to help her, but I just don’t know ____ to do it.
#54031
A
what
B
when
C
how
D
which
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 —　　　　  gloves are these? —Sorry. I don’t know.
#38725
A
Who
B
Whom
C
Whose　
D
Who’s
My keys are in my bag.             keys under that desk aren't mine.
#39052
A
These
B
This
C
Those
D
That
--_______ is this backpack?      --It’s yellow．
#53636
A
What’s
B
What color
C
How
D
Hello
Did you see Peter and Mike? No, I saw ______of them.
#54630
A
neither
B
either
C
both
D
none
--- Excuse me, is this _______ new computer? --- Yes, it’s _______. 
#54699
A
your; my
B
your; mine
C
yours; my
D
yours; mine