－Can you tell me how many colours _______ in a rainbow?－Seven.
#71148
A
there are
B
are there
C
they are
D
are they
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—_________________ —They’re under the chair.
#70290
A
Where is your baseball?
B
Where are your baseball?
C
Where are your keys?
D
Where is your keys.?
Teachers will hardly use chalk in the future, ______?
#68855
A
will he
B
won’t he
C
will they
D
won’t they