Green products are becoming more and more popular because they are environmentally _________.
Mother’s love is true love! She’s never stopped loving you you become or you do.
I’m afraid we’ll have to work extra hours, for there are still some problems .
I have been living in Haikou for 10 years, but seldom so lonely as now.
We have every reason to believe that 2010 World Expo in Shanghai will be success.
This time next week, we _______ a meeting in Beijing.