问题
_________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
B: There is
C: That is
D: This is
正确答案是：
同类题型
Will you be____this afternoon, Jack? —It depends．I’m afraid I’ll be called by my boss．
Have you finished your homework ______ –Not ______, I’ll need another hour
Either of you _______ going there tonight. [ ]
ear I applied to Princeton University．I ____ they would say yes—butthey did, and now here I am．