It is the theory ____the earth turns around the sun____ changes the world. [ ]
A. that; what
B. what; that
C. that; which
D. that; that
答案:D
It is the theory ____the earth turns around the sun____ changes the world. [ ]
A. that; what
B. what; that
C. that; which
D. that; that
答案:D