The world will live happier lives if people have ________ better understanding of ________ idea of harmonious globe.
___not to miss the flight at 15:20, the manager set out for the airport in a hurry.
______ herself with other girls, she feels she is quite lucky.
What surprised me was not what he said but _______ he said it.
Do you still remember the chicken farm _______ we visited three months ago?
Miss Tang teaches _______ and we all like her class.