4道初二英语在线求回答啊,紧急1.I can do what I love to do and help others

4道初二英语在线求回答啊,紧急
1.I can do what I love to do and help others at the same time同义句转换 I can（ ）（ ）do what I love to do（ ）（ ）help others
2.She works there （once a week） 对括号部分提问 _____ _____ does she work there?
3 .____, the poor kid came back to school again A.To their joy B.To make them joy C.To their satisfaction
D.To make them a feeling of satisfaction
4.I'd like to joy the volunteer club,but I an not sure _____. A.how should I do B.what should I do
C.how I should do D.what I should do