How can you ________If you are not ________ A.listening / hearing B.hear / listening C.be listening / heard D.be hearing / listening to英语单项选择,会的请说明选择理由,
问题描述：
How can you ________If you are not ________
A.listening / hearing B.hear / listening
C.be listening / heard D.be hearing / listening to
英语单项选择,会的请说明选择理由,
答