he is (at)portsmouth now.为什么不用from

he is (at)portsmouth now.为什么不用from he will sail from Portsmouth He is _ Portsmouth nowa;to b:from c:on d:at he will sail from Portsmouth .he is _Portsmouth now..A to.B from.C on.D.at He will sail from portsmouth.He is__portsmouths nowa;to b:from c:on d:at我记得是in啊! Portsmouth is the name of a _____. portsmouth是什么意思 Captain Charles Alison ,at Portsmouth Houbour early tomorrow morning .这句话 英语翻译whom shall we meet at Portsmouth Harbour early tomorrow morning? He is good at scoring He is good at Chinese. he is a__good at sports He is good at dancingedsfsefserfwersedfsdrfwerwerwerewrwerewrwerwere he is good at fishing. he is green at his He is at table at the table. look at he,he is tall. 请将下列英语译为汉语The canal connected Lake Erie at Cleveland with the Ohio River at Portsmouth,and the summit where it linked the St.Lawrence basin with the Mississippi basin was at Akron—whence the name.The portage that is conspicuous he is at home?is 可以和at 连读吗