Time ________ heal a broken heart. After five years, Steve seems to have got over the sorrow of losing his son.

No one ______ be more generous; he has a heart of gold.

－Look, your sister is playing the piano over there.－She ______ be my sister. She has gone to America.

---Where is my pen?--- I _____it.

Tom likes driving and he ______drive his car to the party, but I’m not quite sure about it yet.