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
E-mail, as well as telephones, ______ an important part in daily communication.
#85713
A
is playing
B
have played
C
are playing
D
play
Nobody but us _____ the secret.
#85806
A
know
B
knows
C
have known
D
is known
No one except Jack and Tom  _____the answer.
#86146
A
know
B
knows
C
isknowing
D
areknown