The sign on the birds' cage means we should keep quiet 否定句

The sign on the birds' cage means we should keep quiet 否定句 The sign on the birds'cage means ‘Be quiet'. （改为一般疑问句） the sign /on the birds' cage/ means‘be quiet’ 划线部分提问 1.the sign means 'be quiet'.we should ___ here a.keep quiet The sign on the birds’cage is interesting.（改为否定句） the sign (over there) means we should keep quiet对画括号的提问 英语连词成句：library keep the of means the on sign quiet wall the The sign on the birds cage is intereting一般疑问句 The sign on the birds' cage is interesting.怎么改 we shold ____(be) quiet near the birds cage The sign means we can go out here改为否定句 This sign [ ] [ ] we The sign on the grass means Keep off the grass.（改为同义句）