2.
1) I doubt scientists probably will find a cure for a cancer in the near future.
2) I’m certain that doctors definitely won’t find a cure for the common cold.
3) It’s possible that millions of people may will get ill from the flu virus this winter.
4) I’m definitely sure bio-printing of organs will become a reality.
5) I’m fairly sure people probably will be healthier in the future.
6) it’s possible that antibiotics might won’t be effective in the future.
3.
1) d
2) f
3) a
4) b
5) c
6) e
