词形变化。 1.There are two babies ________(sleep) in the room. Be quiet. 2. Look, how ________ I am to hear from my father! (excite) 3. Kate, believe in _______(you)and you are sure to succeed. 4. I think you'll take action much ________(easy)if you wear red. 5. More than two ______ (nine) of the land can be farmed. 6. At the gate, Daniel found a necklace _______ (lie) on the ground. 7. I'm sorry you are too late. All the tickets ________(sell) out this morning. 8. She likes talking to others while _________(wait) for the bus. 9. One of our duties is ________(study) hard. 10. Whose drawing is _________(bad), Tom's, yours or Jim's. 11. This is an ________(usual) story, do you want to listen to it. 12. I wish everyone would pay attention to _______(protect) the environment. 13. How many _________(enter) are there in this building. 14. They often meet on the playground _________(play) football. 15. Have you ever read the novel __________ (write) in 1992.