摘要： What are you doing? I’m listening to you.
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—What are you busy______?
—I'm busy______ to the radio.
—I'm busy______ to the radio.
[ ]
A. doing, listening
B. do, listening
C. to do, listens
D. on. listening
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B. do, listening
C. to do, listens
D. on. listening
一What are you doing now?
—I’m writing to my cousin．He moved to America two weeks ago．He must be ________ receiving my e-mail．
A．listening to B．1ooking forward to C．hoping to
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－________．
[ ]
A．I like listening to music．
B．I'm listening to music．
C．I want to listen to music．
D．I listening to music．