| | <正>1."Have you ever been to an aquarium?""Yes,I've been to an aquarium."(P68)"你曾到过水族馆吗?""是的,我曾经去过。" 【分类号】:G634.41 【DOI】:CNKI:SUN:ZYCE.0.2008-06-006 【正文快照】: 1.“Have you ever been to an aquarium?”“Yes,I!ve been to anaquarium.”(P68)“你曾到过水族馆吗?”“是的,我曾经去过。”have/has been to表示“曾经去过某地,现在人已经回来了”,它可以与once,twice,three times等表示“次数”的词语连用,也可以与just,never,ever等副 |