There______a fantastic concert.

问题描述:

There______a fantastic concert.
A.have just been B.has just been
C.have just had D.has just had
托尼,你在搞什么鬼?
Tony,what are you_____ ______?
他独自走来走去.
He ______ around_______.

1、B;2、doing;3、walks,longly