When gold was discovered in California, thousands of people rushed there _______ it.

Each person has his / her unique character which________him / her from others

more nutrients than the body needsdoesn’t make its function better, ______ overfilling the oil lamp makes itlighten more brightly

Xian, the ancient capital of the six dynasties, is becoming ________ international city and attracts more and more foreign tourists every year.

It’s helpful to put children in a situation ________ they can see themselves differently.[ ]