Directions: Fill in the blanks with the expressions given below. Change the form where necessary. boost terrifying clue soar precision punched interpretation professional responsible mystery 1. A gentle wind can cool a summer day, but a strong wind can become a powerful hurricane of _____ force. 2. To be frank, the Italian economic miracle has always been a _______ , though we have studied it for quite a few years. 3. The professor laid emphasis on the ______ of the translation from the outset, and his students benefited from it in the long run. 4. To our surprise, that famous doctor has been accused of ______ misconduct in the treatment. 5. Having no______ as to where she went after she left home, we’re completely at a loss. 6. Having _______ the policeman on the chin angrily, the soldier wound up hitting him over the head. 7. The result is that family income has _______ at the top and fallen at the bottom. 8. That efficient secretary gave the delegation a strict ________ of the speech in time, which satisfied them. 9. Some scientists claim that vitamins will ______ the child's IQ score, while the others don’t believe so. 10. We thought he would have had a more _______ attitude, but he let us down to a certain extent.