Comrade wang didn't know if there ( ) (be) on English evening tha_英语解答

Comrade wang didn't know if there ( ) (be) on English evening that day

人气：457 ℃　时间：2020-06-14 07:17:21

解答

would be 与didn't时态统一必须是过去,句意要求将来,因此是:过去将来时.