I swam across是什么意思

I swam across是什么意思 He swam across the river last year.为什么用across 在五年级swam是什么意思 across是什么意思? We swam across the river这里ACROSS充当的是介词? Did you swim across the river last week?为什么不用现在完成时?上句出自新概念第一册90课原文Did you swim across the river last week?Yes,I swam across the river last week.What about Ron and Betty?They haven't swum across the river Did you swim across the river Have you swam across the river?这两句话有什么区别 The dog swam ___ the river.A.cross B.on C.through D.across you can see the river across which the boy swam把这句话分析一下 the man swam (across/through) the changjiang river last year括号里应该选哪个 Litter Ben swam across the river_______(成功）为什么是successfully? The swimmers all swam across Changjiang River （）.（success）动词填空! .Another two pupils _________(success) swam across the Qiongzhou Channel on June 2.2005 I swam in sea yesterday.对swam in the sea 提问30分钟内回答 across-the-board是什么意思 across-the-board是什么意思 across the way 是什么意思 I often swam in this river many years ago.