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,

what does the sign on the wall mean?----it _means__[mean] you _should not__[not should] smoke in the room