1. will open.2. will be.  3. am going to plant. 4. will get. 5.am going to tidy . 6. will make. 7. will bring. 8. is gong to rain.

1 A:It's too hot.B:I will open the window.2 A:Try not to be late.B:Don't worry.I promise I will be back before nine.3 A:Whyare you wearing these gloves ? B:I am going to plant some flowers in the garden.4 A:Let's go swimming.B:Great idea.I will get my things.5 A:Your room is mess .B:I know. I am going to tidy it later.6)A:Why is the oven on?B:Because I am going to make a cake.7 A:l've got a terrible headache.B:I will bring you an aspirin.8 A:There are black clouds in the sky.B:It is going to  rain this evening.