1过去式：heard
过去式题目：
1. I _heard_(hear) someone calling my name. 我听见有人喊我的名字。
2. I _heard_ (hear) him rumbling at the back. 我听见他在后面直嘟囔。
3. Her spirits lifted after she _heard_(hear) the news. 听到消息以后她的精神振作起来。
4. I _heard_(hear) them singing. 我听见他们在唱歌。
5. I _heard_(hear) him say so with my own ears. 我亲耳听他这么说的。
2过去分词：heard
过去分词题目：
1. He drew me aside to tell me what he had _heard_ (hear). 他把我拉到一边，给我讲了他听到的情况。
2. I had _heard_(hear) this before. 这种言论我以前听过。
3. This enabled the scientists to better study the noise they had _heard_(hear) in the field. 这使得科学家能够更好地研究他们曾在野外听到的叫声。
4. Cosette told him what she thought she had _heard_(hear) and seen. 珂赛特把她仿佛听到的和见到的都讲给他听。
