—I went to return the book to Jack, but I couldn’t find him.—He ______ the library. You can find him there.
Jeff pleased everybody by making his dog walk ________.
– Look! Here comes your mom’s car. -- It ______ be hers. She sold her car yesterday.
Last time, he offered to do my homework for me , but I ____________.
-- _________ do you like ping-pong ? -- Because it is relaxing.
—What’s your father? -- He is a doctor. He _________ in a local hospital.