1) Have you met Sam?
你见过山姆吗?
2) Have you ever climbed a mountain?
你爬过山吗?
4) Have you ever seen an owl?
你见过猫头鹰吗?
5) Have you ever seen the rainbow,
你见过彩虹吗?
6) Did you ever see a comet?
你看见过彗星吗?
参考词条