___his classmates___his Maths teacher has gone hiking. You can’t find them at  school.
#61999
A
Both, and
B
Neither, nor
C
either, or
D
Not only, but also
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The math problem is so hard. I really don’t know    .
#62035
A
how to do it
B
how to do
C
what to do it
D
where to do it
What color is it? -_____.
#61994
A
It’s a pen.
B
It’s black
C
It’s black pen.
D
It’s a black
Can you tell me ______ learn a foreign language well.
#62564
A
what to
B
how to
C
what I can
D
how can I
_____ does your son live with?
#62180
A
Where
B
What
C
Who
D
When