The reason why he adapted to the new situations quickly is that he has a _____ attitude.

The newly discoveredstar was named ___a Chinese astronomer ____ honor of his contributions toastronomy.

230. The little boy likes plane models verymuch. He wants to be a _______and fly a plane into the sky when he grows up.

To be great, you must be smart, confident, and, ______, honest.

－Why didn’t you give me a call last night?－Well, I couldn’tMy phone _____________