6. Do you hear the thunder? It is going to rain/ will rain heavily.
is going to rain
1.Wind energy is used/ use to produce electricity.
is used
5. My parents have made their holiday plans. They will travel/ are going to travel to the south of the country.
are going to travel
3.I’m sure you are going to pass/ will pass your driving test. Don’t worry.
will pass
2.More trees are planted / plant around the school
are planted
4.Mai has won the first price in the speaking contest. Really? I will phone / am going to phone her to give her my congratulations.
will phone