Both of you claim you are right.In fact,either you or he ________ wrong.
#85592
A
are
B
is
C
were
D
was
推荐题目
Grammar mistakes of this kind _____ widely among Chinese students. 
#85807
A
have been made
B
has been made
C
have made
D
has made
 Has ____ how many spies we caught during the war ____ up to now?
#86293
A
it been declared; have been set free
B
it declared; have been set free
C
they declared; has been set free
D
they declared; have set free