1.I ____Dave,but I don′t know him.A.listened to B.listened C

I ______but _____nothing A都填listened B.都填 listened to C.lish I ( ) but ( ) nothing.A.heard,heard B.listened to,heard C.li ( )I often listened to him ______ the piano.A.to play B.play we — ,but— nothing A listened;heard B listened;listened C he why don't you( )to cassettes?A.listening B.listen C.listened Goodbye my love.I want to forget him but i don't know if i c A:I listened to the music last Friday.B:Oh,I________music ,t I listened but----------(hear) nothing. but I don't know what ____for them.A.buy B.buying C.to buy I listened to him _______（talk）about the film. I ______ but I didn't________ anything.A.listened ,listen to I listened to a CD called Heart String recently.=I listened