Charles Darwin, a young man just out of university, knew perfect well that he had to depend on _____ when he set out on a voyage of discovery around the world.
---- 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.