lt　means　Be　＂quiet＂.（同义句） lt means you should not_________

lt　means　Be　＂quiet＂.（同义句） lt means you should not_________
lt　means　Be　＂quiet＂.（同义句） lt means you should not_________

lt　means　Be　＂quiet＂.（同义句） lt means you should not_________
make noise.制造噪音.

noisy

lt means you should not (shout/speak loudly/make noise)

请问是填一个单词吗。。