at an agree signal they left the room.为什么有收到约定的信号的意思.at有这种用法吗

at an agree signal they left the room.为什么有收到约定的信号的意思.at有这种用法吗 at an agree signal they left the room.为什么有收到约定的信号的意思.at有这种用法吗 A digibox changes a digital signal to an analogue signal.Why is one needed to receive digital TV at present A digibox changes a digital signal to an analogue signal.Why is one neede to receive digital TV at present? turn left at the light ,and you don't forget to signal找错并改正 They talked for two hours,but they didn't reach an ()同意at last.为什么这道题答案是agreement不是agree His silence at the meeting suggested that he ____ to your plan..A.didn't agree B.hadn't agreed C.wouldn't agree D.not agree signal signal signal (Turn) left at the linght ,and (you) (don't) forget to signal!括号中的那个部分错了,请改正 At last,the two men came to an (agree )on the event.是用agreement吗 i couldn't agree don't agree=? what he said at the meeting was equal to expressing that he didn't agree. Scientists receive an Alien signal.谁能帮我翻译一下? I couldn't agree more. 英语翻译I couldn't agree moreI don't agree moreI can't agree more