After our___(arrive),we brgan to work at once

After our___(arrive),we brgan to work at once 英语选择题（急）：We ________ go to the railway station at once after we will (arrive) at ... We should finish the work at once(对 at once 提问) then the sons began to work at once是什么意思 I will arrive at once if neccessary. we have d---------- what we want to do after work . We ( )the station on time.A.arrive at B.arrive in C.get to D please write to me at once when you arrive改为同义句：please write Please write to me at once when you arrive .(同义句) in life,there is no station.no one place to arrive at once a we had to queue.we had to wait our___ 1 queue 2 turn 3 row 4