Although confidence is an inner trait, it can be and practiced and developed.

China is a ( ) country, but America is a ( ) country. ( ) A: developing; developing B: developed; developed C: developing; developed D: developed; developing

The heart of the diesel engine is the （） where the fuel is burnt and the power developed.

Language is a major means of communication. It is not influenced by the culture in which it is developed.

China is a ______ country while the U. S. is a ______ country. A: developed; developed B: developing; developed C: developing; developing D: developed; developing

A topic sentence contains the main idea upon which a paragraph is developed.

Chinaisthebiggest_____country,whiletheU.S.Aisthebiggest____country. A: developed;dev B: 99.Chinaisthebiggest_____country,whilethe C: D: Aisthebiggest____country.A．developed;developed E: developing;developed F: developing;developing G: developed;developing

We don’t think that his __________ ability has been well developed.

Avoid giving gifts to the French until a personal relationship has been developed.

During the feudal society, Kungfu　greatly and improved a lot according to the needs of the society. A: had developed B: had been developed C: have developed D: have been developed