1, It's very pleasant to bathe in the river ....... hot day in the summer A, on B, in C, for D, of 2, I have plenty of things to do. I don't know where start ( tìm lỗi sai và sửa ) 3, There are many stilt houses in the north region of VN A, Do you like it ? B, Where are stilt house C, I can't see them D, They sound interesting ** Giải thích rõ nha mn **