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【題目】May I have a look at your valuable stamp __________ back to the 1950s?

【題目】Palm doesn’t have a natural talent for music but he __________ it with hard work.

【題目】Where does this conversation probably take place?

【題目】I didn’t feel that this was an __________ time to mention the subject of money.

【題目】What is the most probable relationship between the two speakers?

【題目】How much should the man pay for his room?

【題目】Because we have so much to choose , many companies and stores offer advice what we should eat.

【題目】Failure is part of life; it’s wrong for parents to protect their children from the knowledge ______ they have failed.

【題目】What can we learn about the man?