Robert saw two boys making fun ________ an old man, and then he stopped them.
#35603
A
in
B
on
C
at
D
of
推荐题目
---How many girls are there in your class?   ---______ them_____ over twenty.
#36875
A
A number of, are
B
The number of, are
C
A number of, is
D
The number of, is
They often help kids _____ dancing.
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A
on
B
with
C
to
D
at
If the question ________ incorrectly, _________ question will be given to you.
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A
is answered, other
B
answers, other
C
is answered, another
D
answers, another