Use the Present Perfect or Present Perfect Continuous tenses. 1. Why is she crying? – She … (hurt) her arm. 2. … they (launch) the spaceship yet? 3. The strong wind… (damage) everything around for 3 hours. 4. What is the result of the tornado? – It … (do) a lot of damage. 5. The scientists … (do) the exploration of the island since they discovered it. 6. They … (not, solve) that serious problem yet, have they?
Use the Present Perfect or Present Perfect Continuous tenses. 1. Why is she crying? – She … (hurt) her arm. 2. … they (launch) the spaceship yet? 3. The strong wind… (damage) everything around for 3 hours. 4. What is the result of the tornado? – It … (do) a lot of damage. 5. The scientists … (do) the exploration of the island since they discovered it. 6. They … (not, solve) that serious problem yet, have they?
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Why is she crying? – She has hurt her arm.Have they launched the spaceship yet?The strong wind has been damaging everything around for 3 hours.What is the result of the tornado? – It has done a lot of damage.The scientists have been doing the exploration of the island since they discovered it.They have not solved that serious problem yet, have they?
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