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. (单选题) ( ) 2. The chairman’s speech ________ the radio when I turn it on.
(本题2.0分)
A、 was broadcast on
B、 was being broadcast on
C、 was broadcasting in
D、 broadcast over
(本题2.0分)
A、 was broadcast on
B、 was being broadcast on
C、 was broadcasting in
D、 broadcast over
参考答案