骑РР自行车去上学。РРР28.B    由“I'm in Class Two, Grade Seven.”和“Liu Yan is my best friend.We are in the same РРclass.”可知,Liu Yan 在二班。РР29.D   30.BРР                                      6Р更多资料请搜索微信公众号:齐齐课堂РРⅣ. 31.kilometers 32.quickРР33.dream   34.hundredРР35.BridgeРРⅤ.36.to clean 37.villagersРР38.crosses  39.to takeРР40.likes; likeРРⅥ.One possible version:РР    There are fiftyone students in my class. We go to school in different ways. Sixteen studentsРРtake buses because they live far from school. Eleven students walk. They think walking is goodРРfor their health and they live near school. Twentyfour students ride their bikes to school becauseРРthey like riding bikes very much and their homes are not very far from school. No one goes toРРschool by car.РРР                                      7