题目内容：

_____[A.It B.there] is no doubt that he is a good teacher.
And tell me why.
Thank you.

优质解答

选B
固定的..There is no doubt that...
It is ..that...为强调句,is后一般会跟in the ...或者on the ...之类的介词短语,表示强调事情发生的时间或地点...
选B 是对的、、
懂了么..
(*^__^*) 嘻嘻……
加油..