Boys did not if there___(be)an

请问There___(not be)more pollution in twenty years Boys didn't know if there____(be) an English party that day If there___(A.will be B.are C.is)a car acciedent,they___(A.w even if the world did not agree with,I would like to be with 英语虚拟条件句问题we would be sorry later if we did not explore this what our life would be like if we did not have electricity a ...if we did not have air ,there wiuld be no sound because s There___(be)a telephone call for Lin Tao an hour ago. There___(be not)any milk in the bottle用所给动词的适当形式填空 请问There___(not be)more pollution in twenty years怎么做 谢谢 I did not use to be afraid of flying in an airplane. There___(be)a match tomorrow.