— I hear you have got an opportunity _________ at the children’s hospital.— Yes, I love children and it will be a good experience for me. 
#50974
A
to volunteer
B
helping
C
volunteering
D
to teach
推荐题目
The victim was last seen ______ his office at 7 p.m.
#49938
A
leave
B
leaves
C
to leave
D
leaving
He often practice          the piano in his room.
#50961
A
play
B
playing
C
to play
D
played
 Thanks a lot for ___________ me to join you.
#49117
A
ask
B
to ask
C
asking
D
asks
 We have two rooms        but I can’t decide     .
#48399
A
to live;choose which one
B
lived;choose which one
C
to live in;which one to choose
D
live;which one