Look at the timetable. The flight to Shanghai _______ off at 10:00.
--- Hurry up. The bus is coming. --- Oh, no. We mustn’t cross the street___________the traffic lights are green.
Sorry, you lost your purse; I hope it will___________some day.
A brilliant idea occurred to him, ___________to his research in the lab.
Father doesn’t know Jack has been gambling; if he found out, I think he___________him out.
--- What is the weather like tomorrow? --- The weather forecast says a big snowstorm is___________.