was interrupted by a knock at the door 我想问BY后面应该是个名词形式,为什么KNOCK不变KNOCKING?

句子中的was caught The system call was interrupted by a signal that was caught before avalid connection arrived; was interrupted by a knock at the door 我想问BY后面应该是个名词形式,为什么KNOCK不变KNOCKING? A knock at the door __him .A,interrupted B was interrupted C interrupting D was interruping He started to complain about this wicked world but was interrupted by a knock at the door.请问:was前面是否省略了一个he A knock at the door( ）him.a .interrupted b.was interrupted c.interrupting d.was interrupting选哪个,为什么 He started to complain about this wicked world but was interrupted by a knock at the door讲这句话所应用的语法告知下 There was a second knock at the poor.It was the second time l( ) that afternoonA was interrupted b was interrupting c had interrupted d has been interrupted选哪个 interrupted是什么意思the compter toolkit setup was interrupted The discussion was interrupted several times by people.The discussion was interrupted several times by people who came into the room unannounced ,whisper,or speak softly to the person with whom I was talking.求翻译 There was a knock at the door.it was the second time someone ---me that eveningA has interrupted B interrupted C had interrupted D would interrupt 选什么 为什么 by a passing plane,和by a knock at the door1.he strated to complainthis wicked world but was interrupted by a knock at the door.2.i think this house must be koncked down by a passing plane为什么加a不是by后不加a吗? 求新概念2册句子分析 lesson24He started to complain about this wicked world but was interrupted by a knock at the door.请分析interrupted是 动词（打断）＋ed,还是形容词（中断）?整句话的时态?固定用法? 英语翻译Peepy (so self-named) was the unfortunate child who had fallen downstairs,who now interrupted the correspondence [on an African project] by presenting himself,with a strip of plaister on his forehead,to exhibit his wounded knees,in which sorry,the link up was interrupted,same as you had a happy child day! 这话啥意思?It was almost like that when a sarcastic laugh interrupted my mind. 几道高中英语选择题.求解I sight of an empty seat at the back of the bus and went directly there. A. lost B caught C. looked D. took 3. His report was so exciting that it was interrupted by applause（ 英语翻译he was deep in thought when i began to talk like a tourist guide the great wall is one of the wongers in the world we are very pround of it soon i was interrupted again by his words you don't say i couldn't help asking why do you sal me n There was a knock at the door.It was the second time someone ____ me this evening请问选哪个?为什么?interrupted B.had nterrupted