A. the time when B. the moment when

　　C. the minute D. on the minute

　　2. — “Would you like to go out for a picnic?”

　　— “Yes, it’s __________ day!”

　　A. so a beautiful B. so beautiful C. such beautiful D. such a beautiful

　　3.______of the land in that district ______covered with trees and grass.

　　A. Two fifth; is B. Two fifths; are C. Two fifth; are D. Two fifths; is

　　4.If the little boy had been given the best medical care, he __________.

　　A. could not die B. have not died C. would not die D. would not have died