We spent many years studying the formation of rocks , experiencing many sufferings and even death. But our hard work ____________in the end , and we made it.
---- I am not able to solve some practical problems using Newton’s First Law of Motion. ----That’s just _______ most of the students are puzzled easily.
—What should we pay more attention to if we go out for a mountain camp. —Nothing special. Take a special pair of glasses ______the wind there is strong and cold.
—What should we pay more attention to if we go out for a mountain camp. —Nothing special. Take a special pair of glasses ______the wind there is strong and cold.