1 . As far as I can see, _______ is no possibility that he will win the tennis match this time. (用适当的词填空)

2 . I should prefer there ________ (be) no discussion of my private affairs. （用适当的词填空）

3 . 毫无疑问他的外貌并没有阻碍他在英语演讲比赛中的优异表现。（interfere）

4 . 不可否认的是他用这个靠谱的方法扭转了局势。(apply)   3’

5 . 随着医药科学和技术的发展，人类有可能在不久战胜癌症。（possibility）

6 . __________is a certain doubt among people __________the official advertisement has a misleading effect on customers’ choices of electronic products.

A．It; that

B．There; that

C．It; whether

D．There; whether

7 . Just to his surprise, he had never expected         a woman calling herself his birth mother 20 years after his birth.

A．there to be

B．there being

C．there is

D．there have been