-Mary, how did your Math test go?-I had thought I _________, but in fact I came in the top 10 in my class.
After months of voyage, Columbus arrived in _____ later proved a new continent.
—Do you think our team will win the game? —I don’t know. But this is the last chance. We _____ them to.
____ our natural resources is very necessary.
_____ is known to us all is that the old scientist, for _____ life was hard in the past, still works very hard in his eighties.
—_____? —Fine, I’ve got used to the life there, and I’ve made some friends.