23. His test results are not very consistent. He does well _____ week and badly the next.
However _______, it’s worth it and I’ll get it .
—_______ do you like to fly, economy or first class? —Economy, I think.
After the heavy mudslide happened in Sichuan, hundreds of newspaper reporters were sent to ____ the natural disaster.
—I don’t know what I _______ without the suitcase you lent me. —Glad to have been of some help to you.
The way you thought of _______ the math problem is greatly creative .