Listen ! Do you hear someone _____ for help?
After two years' research,we now have a ________ better understanding of the disease.(2013·全国Ⅱ)
It is generally believed that teaching is ________ it is a science.
The businessman boasts to me that I can't find a ________ gold necklace,because his shop deals in the best.
Speaking of all the songs he has written,I think this is probably his ________ one.(2013·全国Ⅱ)
Of the two coats,I'd choose the ________ one to spare some money for a book.(2010·四川)