All possible means to save the wounded soldier.
#86247
A
has been tried
B
have been tried
C
is to be tried
D
are trying
推荐题目
My father, together with some of his old friends, _________there already.
#86105
A
havebeen
B
hasbeen
C
hadbeen
D
willbe
More than one student _________ read the novels, which _________ written by David.
#86199
A
has, was
B
have, were
C
has, were
D
have, was