英语语法 when he opened the door,there ____ nobody there填空填is 还是was,这是时间状语从句吗?

英语语法 when he opened the door,there ____ nobody there填空填is 还是was,这是时间状语从句吗? He opened a hospital when he came to China (以when he came to China 提问) When he opened his door,he found everything in the room was g___ I had hardly opened the door when he rushed inhad 在这里有什么作用? When he got home,he found the windows of his bedroom___ A.open B.opens C.opened D.opening when he ( )the door ,he found his keys were nowhere.A opened B would opened C was to opened为什么A不可以 不是时间状语从句中用一般时代替将来时么 还有为什么B不可以啊 he was still smiling when the door opened and his wife came inthe door opened,我听过open the door,这里是怎么回事? He opened the door wide. hardly had i opened the door when he hit me倒装否定词在前要到装 但为什么不是hardly i had opened the door when he hit me?而as的到装却是short as she was ... 英语语法：When he was finished.这句话有无多重含义?有无歧义?为什么不用When he finished. 翻译:when kevin opened the door,he saw a white cat sitting in front of the door. 翻译：Bart opened a can of worms when he asked his coworker how much she was paid John's eyes were opened up to the world of nature when he visited his grandfather's farm.如何翻译? 这个英语语法题怎样解释?He just sat there with his mouth __________.a.to open b.opening c.open d.opened我选b. Help!I had hardly opened the door when I he hit me.I had hardly opened the door when I he hit me.这句话中的hit 用不用加s 为什么I had hardly opened the door when he hit me.没有I 的 sorry When Tom opened his eyes,he found _______(heWhen Tom opened his eyes,he found _______(he ) in a garden .那个男孩在快餐店要了两个三明治 The boy ______ _______ two sanwiches in a fast food restaurant. When he woke up,I opened the door.可不可以这样?我知道可以 When he woke up,I was opening the door.When he was waking up,I opened the door.When he was wasking up,I was opening the door.不知道两边都是过去式可不可以? When Mike __the front door ,he couldn't find his key .So he had to wait for his wife to come back.A.would open B was to open C.had opened D opened望给个详解