C1 GrammarC1 Advanced

The perfect tenses: Forms and uses

Exercise 3

Exercises:123
Complete each pair of sentences using one verb from the box. Use the perfect continuous form where possible; otherwise, use the perfect simple form.
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1a. I more than 3,000 miles this month.
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1b. I over 100 miles every day for the last few months.
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2a. By Friday, they the new contract and will be ready to sell.
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2b. By Friday, they with the suppliers for nearly two months.
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3a. Maya the window display all morning when the manager told her she wanted to change it.
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3b. By the time the shop opened, Maya the window display.
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4a. ' him?' 'Yes. I did it first thing in the morning, but he hasn't replied yet.'
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4b. I him all morning, but he still hasn't replied.
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5a. Daniel was exhausted. He facts and figures for hours.
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5b. Before the interview, Daniel all the key figures.
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6a. By the time the museum reopens, the team paintings for nearly two years.
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6b. By the time the museum reopens, the team the damaged painting.