在第一个十字路口at the first crossing,为什么不是at the first cross?cross不

在第一个十字路口at the first crossing,为什么不是at the first cross?cross不 Turn left at the first _____.(cross) at the first crossing是什么词性 at the first crossing的中文是什么 at the first crossing的意思 Cross the bridge and then turn right at the first-------(tur We can cross the road at the zebra crossing.at the zebra cro Turn left at the first ( ) [cross] 括号里应该填什么 Who is the first.(cross)the river turn left at the first crossing 在哪条路什么时候用at什么时候用On Turn right at the first crossing.同意的句子是什么 turn left at the first crossing .改成否定句