根据句意及汉语提示完成句子英文.处填单词
1.ilike.(自然科学)becauseitisinteresting
2.Samgetsonwellwithhis.(同学)
3.iamreally.(累)afterworktody.
4.Beijingisanice.(城市).
5.He.(完成)hisworkatthreeintheafternoon