根据对话内容，在下面的空白处填入适当的词，使对话完整正确，每空一词
A:Hello! Welcome to Volunteer Organization. What can I do you?
B: I'm ready to do some volunteer work for our city. I'd like to work outdoors.
A: OK. You could pick up rubbish in the streets.
B: I could do that! By the ，my sister wants to be volunteer, too. But she doesn't like to work outdoors.
A: does she like to do?
B: She likes to play with children.
A: She could visit sick children in the hospital. She could play games with them.
B: That's a great ! Thanks a lot.
A: You're welcome.