问题
选择题
_________no doubt that the earthquake is the most serious one in China's history.[ ]
A. It is
B. There is
C. That is
D. This is
答案
答案：B
搜题请搜索小程序“爱下问搜题”
_________no doubt that the earthquake is the most serious one in China's history.[ ]
A. It is
B. There is
C. That is
D. This is
答案：B