网址:http://m.1010jiajiao.com/timu3_id_2672768[举报]
—Listen! Someone is playing the piano.
—Wow! ______ beautiful music! I like it very much.
A. What B. How a C. What a D. How
Listen! Someone _________ for help!
A. called B. is calling C. has called
Listen, our teachers ______ Red Songs in the next room.
A. sang B. are singing C. sings