第一句：We had to wait until he came back.第二句：I won't go until he comes back 为什么第一句came不加S,而二句come加S不是Until引导时间状语从句吗,既然是引导时间状语从句为什么第一句不用一般现在时代

第一句：We had to wait until he came back.第二句：I won't go until he comes back 为什么第一句came不加S,而二句come加S不是Until引导时间状语从句吗,既然是引导时间状语从句为什么第一句不用一般现在时代 翻译We had to wait a long time to get our passports,didn't we? Whether he will come is still u------- to us.Anyway ,we will wait for him. 翻译（每空一词）：我们只好等到妈妈回来.We had to wait ( )Mother( )( ). The line outside was ______(end),so we had to wait. We ( ) wait for him.A.had not better B.had better notC.had not better to D.had better not to We didnt catch the first bus .We had to wait for a_____ bus.(根据首字母完成句子) We had to wait a long time to get our passport,___?I had to tell the truth ,___?我想问下 这2题的 为什么第一题是 didn't we 而第二题 don't i 不都是过去式? we had to queue.we had to wait our___ 1 queue 2 turn 3 row 4 line选择哪一个,及分别说出每个为什么对与错 急 We had to queue. We had to wait our_____.选择题A turn B line为什么?解答的详细一些~~拜托!那个,急! It's better ____for another five minutes.A.wait B.waiting C .to waiting D .to wait问句：Had we better leave right away?到底怎么回事？ We had no other choice but ________ for further information．A. to wait B. wait C. waiting D. to waiting wait for you 'to say:u love we had to wait to a long time to get our passports,A,won't we B,don't we C,didn't we D,shouldn'twe had to wait to a long time to get our passports,A,won't we B,don't we C,didn't we D,shouldn't we There are too many people in the doctor's waiting room We have to wait u------- it is our turn We had an anxious cpuple of weeks____ for the result of the experimentA.wait B.to be waitingC.waitedD.waiting There was such a long time at the exhibition ___ we had to wait for about half an hour. There ___ no rain,we had to wait till the next day(a)is(b)being(c)were(d)be