——Can you tell me whom the play ______ in the 1990s?——Sorry, I don't know.
A:was written by
B:was written
C:is written
D:1s written by
选出你所听到的单词( )
下列实例中,哪项不是为防范静电现象导致事故而采取的措施( )
在《马关条约》中,最有利于列强对华经济扩张的条款是( )