欢迎来到21世纪教育网题库中心! 21世纪教育在线题库首页
21世纪教育网——题库

______ frightened us ______ a tiger turned up suddenly in front of us.  

A. What; was that' D4 _9 d7 e6 _5 M8 \2 \4 \5 Y0 F B.What; was# R4 C2 S- Q+ S C.It; that was. U9 Z& _4 h' C D.It was; that0 P; h4 Z( @. [' @3 Y0 f9 b1 T

答案A

解析