—Look at these tracks.It __________ be a wolf.—It needn't be.It be a fox.
In the old days, many poor people had no food ______ and no rooms______.
I don't think the watch will ______ much. It is ______ $30 at most.
It was said that the musician ______ a Canadian. She has ______ him for three years.
His parents both died a few years ago and he became an orphan, so a kind person ______ him ______.
He _____ have finished his work; otherwise, he wouldn’t be enjoying himself by the seaside.