Such animals like dinosaurs died out because they couldn’t _____ to the change of the climate.
— Sunny day, isn't it? — Let's hope the sunny weather for Saturday's tennis match.
This problem may lead to more serious ones if___ unsolved.
Whether ways will be found to help China _______ the current world financial crisis is just _______worries the public.
Mike Perham,a 17-year-old British teenager, finished his solo round-the-world sailboat trip last week, becoming the youngest person in the world to that.
Think twice and time will _____what you have chosen is right or not .