The time he has devoted in the past years _______ the homeless is now considered _________ of great value.
#64471
A
to help; being
B
to helping; to be
C
to help; to be
D
helping; being
推荐题目
Once she has        , nothing can change it.
#68680
A
changed her mind
B
change her mind
C
make up her mind
D
made up her mind
When the applause ______, Obama continued his speech.
#65532
A
died off
B
died down
C
died out
D
died of
She read the letter through before sending it, ______ for spelling mistakes.
#81857
A
checked
B
to be checking
C
checking
D
having checked