Make the statements more polite.Example: You`re not right.(think) - I don`t think (that)...

Question

Make the statements more polite.
Example: You`re not right.(think) - I don`t think (that) you`re right.
1. It wasn`t an explosion. (think)
2. They weren`t humans. (believe)
3. James hasn`t got an alibi. (think)
|4. Scientists can`t explain their disappearance. (believe)

Answer 1

1. I don't think that was an explosion.
2. I don't believe they were humans
3. I don't think James has got an alibi
4. I don't believe they can explain their disappearance.