crossing the bridge ,you will find the post office这里的cross为什么加ing

they were s----- at crossing the bridge yesterday填空 crossing the bridge ,you will find the post office这里的crossing是什么成分? 翻译下面一句话 The bridge is a twin-deck cable-stayed bridge crossing the H Channel. crossing the bridge ,you will find the post office这里的cross为什么加ing the new bridge over the railroad tracks eliminated the danger in crossing.请问这句话的意思, __he was crossing the bridge,the earth suddenly began to shake.a)wgile b)when c)as d) after I was crossing the bridge 这里Was是BE动词 后面应该是 aross 为什么这里用 Cross Bill 's hat was blown off when he was crossing the bridge .变成have+object+p.p. 3.The old man was afraid _____ the bridge because he was afraid _____ into the river.A.to cross; of falling B.to cross; to fall C.of crossing; to fall D.of crossing; of falling at the first crossing paraphrase 'crossing the bar 英语翻译Rather than building yet another Minneapolis sky bridge to join the two,the Walker commissioned artist Siah Armajani to design a pedestrian crossing. 改错the old man walked slowly cross the bridge怎么要把cross改成across 可以把cross改成crossing吗 表示正过马路的时候 The wind have got Bill's hat blown off when he was crossing the bridge 为什么要加个got啊 还有h He is afraid _______the narrow bridge because he is afraid _______ into the water.A.to cross,of falling B.of crossing,to fall C.to cross,to fall D.of crossing,of falling为什么选Abe afraid用法是什么 What shall we have for ( )dinner?September 10 is( )Teachers'Day.用a,an,the填空Take the second crossing on the right.改为( )right( )the second crossing.Cross the bridge on foot.改为( )( )the bridge.速度···················· 英语选择问题：() Bridge road,and turn left () the third crossing A.Walk down；at B.Go along；in() Bridge road,and turn left () the third crossing A.Walk down；at B.Go along；in C.To walk dowt；at D.To go along；in 是on the crossing还是at the crossing