Mark the letter A, B, C or D to indicate the sentence that best combines each pair of sentences in the following questions.

Culture, language, facilities or economy level of the family are different. Vocal guidelines and acting in daily activities are the ways of the life experience knowledge transfer.

A. If people have not given up their heritage, traditional beliefs and other aspects of their native culture, they will not lose their sense of self.

B. Giving up their heritage, traditional beliefs and other aspects of their native culture means that people totally lose their sense of self.

C. Once people have given up their heritage, traditional beliefs and other aspects of their native culture, they are about to lose their sense of self.

D. Whenever people have given up their heritage, traditional beliefs and other aspects of their native culture, they are supposed to lose their sense of self.

A. It can be undeniable that global communications will become even more powerful in potentially influencing our cultural identity.

B. It cannot deny that global communications will become even more powerful in potentially influencing our cultural identity.

C. It cannot be denied that global communications will become even more powerful in potentially influencing our cultural identity.

D. It hardly deny that global communications will become even more powerful in potentially influencing our cultural identity.

A. Harry now smokes a lot.

B. Harry used to smoke a lot.

C. Harry didn’t use to smoke a lot.

D. Harry rarely smoked a lot.

A. It is a great dispute as cultural identities should be preserved in international.

B. No matter how great dispute is, cultural identities should be preserved in international.

C. That the dispute of preserving cultural identities in international world is a great matter.

D. The fact that cultural identities should be preserved in international world is a matter of great dispute.

A. As long as you know one of thousands of languages that are at risk of extinction, then teach it to others.

B. If you know one of thousands of languages that are at risk of extinction, teach it to others.

C. For you know one of thousands of languages that are at risk of extinction, teach it to others.

D. Whenever you know one of thousands of languages that are at risk of extinction, then teach it to others.

A. Traffic congestion in the downtown area is blamed for the increasing number of private cars.

B. The increasing number of private cars is thought to be responsible for traffic congestion in the downtown area.

C. The increasing number of private cars is attributed to traffic congestion in the downtown area.

D. Traffic congestion in the downtown area is thought to result in the increasing number of private cars.