问题详情：
根据中文意思,翻译下列句子。
1. 昨天下午3点钟他们正在做什么？__________________________________________________
2. 他说他数学学得好。______________________________________________________________
3. 将来人们会拥有机器人吗？________________________________________________________
4. 如果我和朋友吵架了，我会不高兴的。______________________________________________
5. 我认为她应该给他打电话。________________________________________________________
【回答】
1. What were they doing at three (o’clock ) yesterday afternoon?
2. He said he was good at math./ He said he did well in math. /He said he studied math well.
3. Will people have robots in the future?
4. If I argue with my friend(s), I will be unhappy. /I won’t be happy.
5. I think she should call him (up).
知识点：汉译英
题型：未分类
