there's someone knocking at the door.等于什么

there's someone knocking at the door.等于什么 单选oh,there's someone knocking at the door-must be your neigh 一道英语填词题There is someone knocking at the door.Please go and s 1.— There’s someone knocking at the door.Who could _____ be? —Oh,there's someone knocking at the door.—______ must be tha There is someone knocking at the door.为什么用“knocking”,要加“ing” --Listen! Someone is knocking at the door. Someone is knocking at the door.同义句改写：There is ___ ___ at th There is someone knocking at the door.It may ________ (be) t Listen,l hear someone knocking at the door的同义句 Listen!There Do not make any noise .There is someone knocking at the door 6.There is someone knocking at the door,who _____ it be?