It’s a shame ______ able to give them any advice.  
#87215
A
not to have been
B
to have not been
C
to have been not
D
to not have been
推荐题目
He ___ work in Hangzhou, did he?
#88928
A
usedn’t
B
didn’t used
C
used to
D
usen’t to
All the doctors in the hospital insisted that he_____ badly wounded and that he______ at once.
#88021
A
should be; be operated on
B
were; must be operated on
C
was; should be operated
D
was; be operated on