what___the sign on the wall ___ [mean]? ----it ___[mean] you ___[not should] smoke in the room,
问题描述：
what___the sign on the wall ___ [mean]? ----it ___[mean] you ___[not should] smoke in the room,
答
1 does 2 mean 3 means 4 should not
答
does,mean;means,shouldn"t
答
what does the sign on the wall mean?----it _means__[mean] you _should not__[not should] smoke in the room