Answer:
1 I've finally decided to change the kitchen
sink.
I'm GOING TO change the kitchen sink.
2 Sam and Sophie have planned to meet in the library this afternoon.
Sam and Sophie WILL MEET in the library this afternoon.
3 I'm catching the 7.45 train.
The train WILL LEAVE at 7.45.
4 Mr Brown has arranged to show us the bungalow today
Mr Brown WILL SHOW us the bungalow today.
5 The first day of the school holidays is Thursday 16th July.
The school holidays STARTS on Thursday 16th July.
6 Jenny intends to use the lift.
Jenny WANTS TO use the lift.
They shouldn't be bad for the ocean they are part of it.The only bad part is that they sting and they take up some big parts of the ocean.