魔法师的英文:请问：“Did he telephone again？”中的telephone后面为什么不加d?

请问：“Did he telephone again？”中的telephone后面为什么不加d? 请问what telephone number is he？有没有语法错误 Yes,he did telephone telephone He cannot get a telephone for his new garage. he was just falling ( )when the telephone rang did he?did you find anything good about him What he did not____what we had expected. When did he fall ill?译成汉语