How certain is each of these sentences?
1. The cut in interest rates may stimulate investment. – С
a) certain
b) likely
c) possible
2. Wholesale gas prices will probably rise next year. – B
a) certain
b) likely
c) possible
3. We could see a decline in the manufacturing sector. – C
a) certain
b) likely
c) possible
4. The IPO should raise about $6 billion. – A
a) certain
b) likely
c) possible