Why the dinosaurs died out is not known.
Correct answer D. No improvement
Tip: press A, B, C or D to answer, and N for the next question.
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See allIf you cross the line you will be disqualified.
Correct answer D. No improvement
There is dearth of woman doctor in our state. We shall have to recruit some from the other states.
Correct answer C. women doctors
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With a thundering roar the huge rocket soared up from the launching pad.
Correct answer C. took off
But in all these cases conversion from scale have well-formulated.
Correct answer B. are well-formulated
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