问二道初中英语时态填空大家帮下忙把 1 He was listening to the radio when I ----( come)in 2 She felt anxious about her son as she---- (not hear)from him for quite a long time 我第一个填came是因为前面说了过去的动作把 所以也是过去式, 那第二个为什么答案是had been heard 别的可以吗has been heard 和has been hearing
以下是你要的正确答案: 1.He was listening to the radio when I ---came-( come)in. 这是因为他听收音机和我进来都是发生在过去.并且进来是一个短暂性动词,只能用一般过去时态. 2 She felt anxious about her son as she--hadn't heard-- (not hear)from him for quite a long time. 这个句子的意思是: 因为她很久没有收到他的儿子的来信,她很担心她的儿子. 在这个句子中,没有收到来信是发生在她感到担心之前的,所以"过去的过去",要用过去完成时态.