What shall we do if it rains tomorrow?是什么意思?

What shall we do? what shall we do? What shall we do if it rains tomorrow?是什么意思? If a house is on fire.what shall we do? What shall we do f___ What shall we do?回答 what shall we do?为什么不是 how shall we do? what shall we do?为什么不是 how shall we do? what shall we do if we lose our way in the forest改为同义句 一道填空题（英语）what shall we do if it____(rain) or ____(snow) what shall we do for our parents what shall we do 改被动语态 what shall we do等于什么? what shall we do after g what shall we do after lunch回答 请问...What shall we do tonight? What shall we do now?-_____it is raining hard ,let us stay at home.A soB sinceC thoughD if what shall we do if it____tomorrow.A:rains B:rain C:will rain D:is raining 应该选哪个