题目内容：

once upon a time,a very old man tried(to move)the mountains,and his dream(came)true at last.
请解释括号里为什么这么填?

优质解答

once upon a time,a very old man tried(to move)the mountains,and his dream(came)true at last.
try to do sth 努力做某事(下了点决心要把它做好了),愚公移山不是试一下,而是下定决心去做!时态是过去时态,因此是come的过去式came