下列各句中没有语病、表意明确的一项是(　　)

Having ________ fair attitude towardspeople with different ideas is ________ indication that one has been welleducated

Graduation is a good time tothank those who have helped you ______ the tough years.

She supports a culture ____ people believe they can make anything happen.

Meeting President Xi was a precious moment for the villagers, ________they will treasure forever.