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Teenagers should learn to protect (保护) ______from all kinds of dangers.  
#32762
A
them
B
they
C
their
D
themselves
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_____ history of this special island brought _____ unusual feeling to me.
#34002
A
The; a
B
The; an
C
A; an
D
A; a
Lady Gaga is ­­________very popular singer. She has lots of fans.
#34470
A
a
B
an
C
the
D
/
There’s _____ “h” in _____ word “hour” and _____ hour has sixty minutes.
#33432
A
an; the; an
B
the; the; an
C
a; an; an
D
a; the; a
I have been living in London for more than ten years, so I have ________ good knowledge of this city.
#32611
A
/
B
the
C
a
D
an
There is ____ “u” and _____ “r” in the word “number”.
#33090
A
a; a
B
an; an
C
an; a
D
a; an