AIDS is said _____the biggest health to
题型:选择题
问题:
AIDS is said _____ the biggest health to people in that area over the past few years. [ ]
A. that is
B. to be
C. that it has been
D. to have been
AIDS is said _____ the biggest health to people in that area over the past few years. [ ]
A. that is
B. to be
C. that it has been
D. to have been