I can hear it ______(1)sing (2)sings (3)singing

I can hear it ______(1)sing (2)sings (3)singing When I first ______ (hear)the news,I______ (can not ) believe it.要原因 I can't hear you _______ ______ ________clearly ______(speak)loudly,I can't hear you. i can not hear you.Please say it a I can not stand it ______ _______. -----(Look,Listen).it goesChoo.Choo....What---(can,do)you hear?I hear a bird. LOVES,WE CAN SEE IT,HEAR IT AND HEAR IT! Thank you very much.I can do it ______(I) i do not ______(think) i can mend it i can·t hear you.can you pleasa say it a( ) i can'hear you.can you say it ＿填loudly还是more loudly讲解 can you say it l____ （loud)?I can't hear you. Sorry,daniel ,I can't hear you well .can yousay it (a ) Can you hear the teacher ______?(clear) i can hear my heart i can not hear a Can you say it a.i don＇t hear it clearly a后面写什么?