The reason for his success is ______ he worked very hard.

I shall never forget the days_________  I lived with my parents as a child, _________  has a great effect on my life.

____ she a man, she might be elected president.

39. _______ is certain, people’s living conditions in China have improved a lot since the 1980s.

33. We were to go out for a walk ________ it began to rain.

It is hoped that it won’t be long      the students aren’t burdened with so much homework.

He left home in 1980 and has never come back ____.

____ you may be right , I can’t agree completely.

30．We think that it’s love, generosity and perseverance______make the world     it is today.

27．—Do you think it wise for Chinese parents to try to do everything for their children?
—No, that’s_________they are mistaken.