Listen!someone ——（sing）in the next room.

Listen!someone ——（sing）in the next room. 28克硅中有几摩尔Si—Si同上~ Listen!Do you hear someone——for help?A：calling B:call C:to call D:called Please (listens,listen,to,listen,listening).Someone is coming. can you listen someone cry 还是 someone crying啊 listen!Someone ____ (sing) in the room. Listen:Someone ______(knock) at the door. Listen,someone ___(practice) speaking English. Listen!Someone is k__ at de door 1mol晶体硅有几摩尔Si—Si? 是listen to someone to talk对,还是listen to someone talk对 为什么下面句子中Listen不可以换成Hear?Listen!Someone is crying.Listen!Someone is crying. 单句改错：listen!someone is knocking the door 找错:Listen!I hear someone open the door. listen! someone is knocking _ the window填什么 listen!there is someone ()(sing)in that buildingsing的形式 Listen!I hear someone knocking at the door.Listen!_____ ______ a knock on the door. ( Can you ( )someone knocking on the doorA hear,liseten to B hear,hear C listen ,hear D Listen,listen to