单项选择题
A.they found it no use doing so B.they liked staying at home C.there was no modern transportation D.they were forbidden to go to other countries
A.he founded America B.he invaded America C.he was a brave man D.he discovered the continent of America
A.The farther a man goes, the more treasures he gets B.The more a man sees, the more knowledge he gets C.Travelling is more interesting than reading D.The farther a man goes, the more books he reads