Daily Mail of November 25th reported that American astronomers （天文学家）______aplanet that was most similar to the earth.

—I’d like you to tell me something about Shen Nongjia.—I’m sorry, but neither Jack nor I ____ there.     

---How much do I need to _______ you for this book? ---Twenty yuan.

All the members thought that the plan should be changed, but he still ________ his own idea.

Mr. Li will go to Guangzhou by air. His workmates are                 at the airport.