改错，选出错误的词，并改正。3{7B.i1D*`-d8e:H)x*Y
We’re going to do a picnic this afternoon． )q9Z+H,R.G-c3b1R;K4z___;I,X'T.c'|;X'}3{7B.i1D*`-d8e:H)x*Y