问题
选择题
After school we usually play ______ basketball for half ____hour on the
sports ground． [ ]
A．the；a
B．the；an
C．／；a
D．／；an
答案
答案：D
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After school we usually play ______ basketball for half ____hour on the
sports ground． [ ]
A．the；a
B．the；an
C．／；a
D．／；an
答案：D