Ex.12

1. We should attempt this problem seriously. 2. The beautiful melody have been remaining in the memory/is engraved upon the heart for a long time. 3. The doctor is not confident, he speaks that I am a patient with a borderline case. 4. I think we should go on an one-day walking tour. 5. He has felt subtle perceptible sign of irritation. 6. I cannot understand him thoroughly , he is a riddle for me. 7. If you want, that all will be your way, you should work much personally. 8. The well-known director is in our city, he looks for a material for his new picture. 9. First being nervous on the new place, the dog has calmed down, having felt the kind attitude of the new owner. 10. I am tired to conduct a business with him by phone, I want to see him personally. 11. I always feel she has a grudge against me though I do not know, what was the evil I have made to her. 12. All the day long he thought above this problem but could not decide it.