The boys have played tennis for over hour.
#34448
A
不填; an
B
the; an
C
不填; a
D
不填; the
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Shanghai Disneyland will cover _______________ area of 1.5 square kilometres.
#32916
A
a
B
an
C
the
D
/
Her daughter began to play _____piano when she was five. Now she's very good at it.
#34521
A
an
B
a
C
the
D
/