连词成句.1.the world is longest which river in the )2.the city has which population lowest density )
问题描述：
连词成句.1.the world is longest which river in the )
2.the city has which population lowest density )
答
This is the room which she lived before 1998. She is only the people that can help us to do it. China is a country that has more
答
which river is the longest in the world ? which city has the lowest density?
答
1 Which is the longest river in the world?
这世界上哪条河最长?
2 Which city has the lowest population density?
哪个城市的人口密度最低?