fun n. 有趣have a good time 玩得很开心suddenly adv. 突然地It is time to do sth. 该到做什么事的时间了.adult n. 成年人science n. 自然科学history n. 历史scary movie 恐怖电影exciting adj. 令人兴奋的,令人激动的pick on ...作弄某人bother v. 烦扰even though 即使