注意：此页面搜索的是所有试题
-What did you do last night,Bob?
-First I did my homework,and then I played ______ piano for half ______ hour.
A
the；a
B
/；an
C
the；an
D
a；the
-First I did my homework,and then I played ______ piano for half ______ hour.
A
the；a
B
/；an
C
the；an
D
a；the
参考答案