at the beginning of class,the noise of desks___could be hear

at the beginning of class ,the noise of desks at the beginning of class,the noise of desks__could be heard At the begining of class,the noise of desks___ could be hear 非谓语动词 At the beginning of the class,the noise of At the beginning of class,the noise of desks _______ could b [-A72] At the beginning of class ,the noise of desks ______ The teacher handed _____books at the beginning of the class. at the beginning of 造句 是at the beginning of 还是at beginning of at the beginning of还是 in the beginning of 英语5道单项选择1.At the bedinning of class,the noise of desks could at the beginning of the class ,the teacher asked us to sing