It is reported that the scientists in ou
题型:选择题
问题:
It is reported that the scientists in our country are _____ all possible ways to control H1N1 flu. [ ]
A. operating
B. designing
C. replacing
D. exploring
It is reported that the scientists in our country are _____ all possible ways to control H1N1 flu. [ ]
A. operating
B. designing
C. replacing
D. exploring