"gradual and voluntary" Practice Dutch lesson
| Recording | English | Dutch | Status | 
|---|---|---|---|
| and | en | ||
| voluntary | vrijwillige | ||
| gradual | geleidelijke | ||
| gradual and voluntary | geleidelijke en vrijwillige | 
| Recording | English | Dutch | Status | 
|---|---|---|---|
| and | en | ||
| voluntary | vrijwillige | ||
| gradual | geleidelijke | ||
| gradual and voluntary | geleidelijke en vrijwillige |