Spell Well 12

Spell Well 12 - an exercise made by MrsAki on Spellic.com.
1. Fold the right part of the paper back so that you can't se the answers.
2. Write the correct answer in the space below each question.
3. When done, fold the paper back and compare your answers.
cross
guess
ball
glass
smell
chess
hill
cuff
doll
staff
cliff
stuff