He______________in the army for ten years, and he retired la

He______________in the army for ten years, and he retired last year. A.has serve

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What' s the advantage of the bike?The new bike was__________

What' s the advantage of the bike?The new bike was______________

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Why was the bike unusual?Because its wheels were of________

Why was the bike unusual?Because its wheels were of______________

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When did people begin tiding a new kind of bike?

When did people begin tiding a new kind of bike?

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Questions 19 to 21 are based on the conversation you have ju

Questions 19 to 21 are based on the conversation you have just heard,A.Conducti

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