China’s success in manned-spacecraft travel shows ________ our country has become one of the greatest powers in space research.
A.what |
B.which |
C./ |
D.is that |
推荐套卷
China’s success in manned-spacecraft travel shows ________ our country has become one of the greatest powers in space research.
A.what |
B.which |
C./ |
D.is that |