Ex.10

1. Children ran past. 2. She presumed to drop into the shop counter because she was very hurry. 3. I am difficult to judge his knowledge in Physics. 4. I always regret the last time. 5. I would never question his honesty. I never doubt his honesty. 6. To my great astonishment he does not suffer from remorse. 7. It is cold today, isn't it? — On  the contrary it is warm today. 8. To my great satisfaction she has applied to an institute. 9. He has brilliantly brought his investigation to a head. He has brilliantly carry his investigation through.