连词成句，注意大小写及标点符号。
1. an excellent goalkeeper is he (.)
2. people some winter in the sick feel (.)
3. clean room help their you them did (?)
4. them when did see you (?)
5. I park bike by went to a (.)
1. He is an excellent goalkeeper.
2. Some people feel sick in the winter.
3. Did you help them clean their room ?
4. When did you see them ?
5. I went to a park by bike.