Даю кучу баллов.

Group the words according to the type of assimilation in them:

tractor, dwelling, didn't, bottle, legs, language, price, track, doctor, crow.

1) Assimilation affecting the work of vocal chords:

2) Assimilation affecting the lip position:

3) Assimilation affecting the manner of the production of noise:

1) price, language

2) bottle, doctor

3) tractor, dwelling, legs, track

эмм, вроде так