— 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
-----Why did you buy a radio? -----__________English.
#48800
A
Learn
B
Learning
C
To learn
D
Be learning
Please tell Tom ______ too much noise.
#51078
A
to make
B
not to make
C
to not make
D
don’t make
If you are tired, please stop    a rest.
#49709
A
have
B
to have
C
having
D
has