Use the word in capitals to form a new word which fits the gap.
1. Be careful! There is a lot of ice on the pavement so it may be very _______. SLIP
2. Our staircase is a bit narrow so we would like to _______ it. WIDE
3. I can tell you with absolute _______ that we will finish the project tomorrow. CERTAIN
- slippery 2. widen 3. certainty