The small boys decided ______ to each other.
-- Peter didn’t use to be heavy, did he?-- ________. But look, how thin he is!
-- Whose French book is it?-- It __________ be Lucy’s. Look! Her name is on the book!
We are going to organize a talent show to ________ some extra money for charity.
-- Will you buy this nice camera, Henry?-- No. It’s too expensive. I can’t ________ it.
Teenagers are supposed to ________ their seats to the old on bus.