A party was held _____ the heroes who had helped saved thousands and thousands of lives in the big earthquake in Sichuan.
—Do you think we are going the right way to the Forbidden City? —Sorry, I’m not sure.But it _______ be.
The reason for his success is ______ he worked very hard.
Word came _______ the students would put off the outing until next week, when they wouldn’t be busy.
He ______ at once when I promised to help him.
After going into the concert hall, the mother _____ a friend and went over to greet him.