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This is______difficult problem that few students can work it out.
#39093
A
so
B
so a
C
such
D
such a
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Grades are really important, but they’re not ______ to us students. 
#53820
A
something
B
nothing
C
anything
D
everything
— What's wrong with my son, doctor?— _________. Just a cold.
#37290
A
Something serious
B
Serious something
C
Nothing serious
D
Serious nothing
.---_____my dog?----It’s under the chair.
#39163
A
What’s
B
How’s
C
Where’s
D
Who’s
I am thirsty, Could you let me have _____ coke?
#52959
A
little
B
any
C
some
D
other
—Would you like milk or juice?— _________ is OK. I don’t mind.
#37215
A
Either
B
Neither
C
Both
D
None