Question

Answer 1

a. washed - did I wash - I didn't wash

b. danced - my friend - didn't

c. stopped - stop - Did the policemen stop

d. studied - Did - didn't

Answer 2

A.
1.i washed my hair yesterday.
2.Did I wash my hair yesterday?
3.I didn't wash my hair yesterday.
B.
1.My friend danced two years ago.