—Have you thought of a topic for your speech yet?—No, I______a lot about it, but I haven’t decided.
—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.
You’d better give the task to _____ you think can finish it ahead of time.