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---You should learn English by using it.---What ____useful advice! Thank you very much.
#32214
A
a
B
an
C
the
D
/
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I have ________ useful knife and my sister has _______ eraser.
#33582
A
a; an
B
an; a
C
a; a
D
an; an
This  is      ruler .      ruler  is  yellow .
#33873
A
the ; a
B
a ; A
C
the ; The
D
a ; The
Lily is _____ girl .
#33240
A
a 8-years-old
B
an 8-years-old
C
an 8-year-old
D
a 8-year-old
         orange key ring is Timmy’s. It’s        present from Neil.
#33298
A
The; the
B
A; an
C
The; a
D
An; a
Lisa had ______ egg and ______ glass of milk for breakfast this morning.
#34050
A
a；a
B
an； an
C
a；an
D
an；a