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Exercise "Past perfect V-ing", created by necroboynonoss (a free exercise to learn English):
Results of the 423 people who have taken this test:
Average mark: 80.5 / 100 Share
Latest member with a 100/100 (perfect mark): greg100 / POLAND, on Wednesday 29 April - 16:38:
":)"
They got a perfect mark
Stats (423 candidates)
Question 1 passed: 88.4 %
We * (to sing) for 2 hours when the neighbours asked us to stop.
Question 2 passed: 84.2 %
You * (to wait) at the airport the whole afternoon when the plane finally arrived.
Question 3 passed: 87 %
The thieves * (to try) to open the treasure chest for twenty minutes when the police caught them.
Question 4 passed: 86.3 %
I * (to cook) for years before I discovered the divine recipe of golden chicken.
Question 5 passed: 75.4 %
They * (to practise) for a very long time in order to sing so well.
Question 6 passed: 85.3 %
I * (to drive) in the wrong direction for an hour before I noticed my mistake.
Question 7 passed: 85.6 %
He * (to work) as a carpenter for 5 years before he changed job.
Question 8 passed: 82.7 %
She * (to walk) on the hill for a while when it began to rain.
Question 9 passed: 77.5 %
At 11 o'clock, I * (to run) for two hours.
Question 10 passed: 41.6 %
Jennifer and Sarah were friends. They * (to know) each other all their lives.
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