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A. What is the function of audio courses?

B. What is the function of flash cards?

C. What is the function of traditional courses?

D. What are the most useful tools for language learning?

E. What is the function of computer aided courses?

F. What can help you a lot with your language learning?

According to this passage, the money you get as interest from government bonds is      .(  )

• A、the money earned
• B、the money not earned but received
• C、the money received for the contribution you have made to the economy
• D、the money earned for the service you have furnished to the economy

Anyone can receive dozens of answers if he/she placed an advertisement.(  )

• A、Right
• B、Wrong
• C、Not mentioned