I met the teacher in the street yesterday ________ taught me English three years ago.
Xi Jin-ping, vice chairman of China had a friendly talk with Obama, president of America __________ supper yesterday.
—Did you give Jenny the money?—Yes. __________ I saw her, I'm sure.
Experts say walking is one of the best ways for a person to __________ healthy.
It is generally considered unwise to give a child __________ he or she wants.
As we all know, the child is his __________ son and is not genetically __________ to him, but he always sees him as his own.