— What a successful Spring Festival Gala (春晚)!Who said we couldn’t make it?—_____.
Because of Einstein’s Theory of Relativity, scientists never again regarded the world___________.
--- 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.