I arrived ____ the office at seven thirty this morning.

I arrived ____ the office at seven thirty this morning. Where were you when I ____?I was ____ on the playground.Where were you when I ____?I was ____ on the playground.A arrived at; at play B reached; at play C got; playing D arrived in ; playing when the UFO arrived, I was in the library.was in the library画横线部分提问___ ____ you when the UFO arrived? I had reached the British Museum by nine o'clock为什么不用arrived I arrived at the airport ____ the plane had taken offA.after B.while C.before D.when When I arrived, they _________into the Cinema 句型转换 对划线部分提问I really enjoyed _walking around the town_ .____ ____ you really _____ _____ They arrived in Penang this morning ____ ____ they ____ in Pengang What ____ you _____ at seven o'clock?I ____ (listen) to the radio.该怎样填 I arrived at the airport ____ the plane had taken off． A.after B．while C．when D．before I arrived at the airport ____ the plane had taken off． A.after B．while C．when D．before为什么不能选A啊? 我到办公室的时候,他们已经开始工作了 用英文怎么说by the time I arrived at the office,they ____ _____ _____already QIU解一道英文难题.详细分析选项—Hello, Mr. Brown, I’m ringing about our component delivery. It’s not arrived yet and it’s already three o’clock in the afternoon. —Let’s see...it’s ____ reach you on Tuesday afternoon.A. Hardly___at the office when the telephone rang.A) I arrivedB) I had arrivedC) did I arriveD) had I arrived Hardly_____at the office when the telephone rangA I arrivedB I had arrivedC did i arriveD had i arrived为什么? The flight would take off at 11 o'clock but it wasn't yet nine o'clock ____ Danny arrived at the airport.A.until B.while C.when D.before为什么不可以选A? I am afraid that you have to ____ your optimistic views in light of the tragic news that has justjust arrived.请问空格处是用alter吗?为什么? I arrived at the station ____.A.five minutes too late B.five minutes too laterC.too late for five minutes D.five minutes later on Hardly() i arrived at the office when the phoneHardly() i arrived at the office when the phone rang