填空,将对话补充完整
问题描述：
填空,将对话补充完整
A：________ we go to the park?B:OK,but____ A:______bus B：OK,____go.What's______over there?A:It's a sign B:What _____ it mean?A:It ____ "Keep _____ the grass“ B：Oh,I ______.We ______ walk ______the grass.A:yes,You're right.
答
Shall
how
By
let's
that
does
means
off
see
shouldn't
across