--- Look at ______ book on the desk . Is it ______ useful one ?--Yes, it is . In the book there is much advice on how to learn math well.
#33474
A
a, the
B
the, a
C
the, an
D
a, an
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It’s _______ MP5 . It can be used to listen music and watch movies . It’s ________ useful invention .
#32500
A
a ; a
B
a ; an
C
an ; a
D
an ; an
— Why did you laugh just now？— Ted wanted to tell us ______ very funny story, but he forgot ______ ending himself.
#32087
A
a; an
B
the; the
C
the; a
D
a; the
—Do you know ______ woman in red?—Yes, she’s a professor of_________ university.
#33236
A
the；a
B
a；an
C
the；an
D
/ ； the