---Volunteering is becoming           popular in China .--- Yeah, people are now aware that helping others is helping themselves.

—How did you find your trip to Europe?—         in my life had I felt so great. The food and the service were satisfactory.

I spent most of my money in the first week and________ had very little to eat by the end of the holiday. 

．We’ve published large quantities of books. This year______ we’ve published three million copies.

“If you’re walking down the right path and you’re willing to keep walking,_____ you’ll make progress”, said the president Obama.