It is acknowledged that ________ shortest distance between persons is ________ sincere smile.
“After World War II, many of the cities across western European countries ________,” our guide said.
New York, ______ I visited last year, is a nice old city.
I’ve read all the books ________ you gave me.
The famous basketball star,_______ tried to make a comeback, attracted a lot of attention.
____ printed, this science fiction will be popular among the students.