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
推荐题目
--_______ 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