Rewrite each of the following sentences using the given words so that it keeps the same meaning

I think
II. Rewrite each of the following sentences using the given words so that it keeps the same meaning
(THAT)
46. To save electricity, we should turn off lights when we leave a room.
We should
(IF)
30. Exercise regularly and you will be fit and healthy.
You will
48. If we don't stop polluting the air, there will be more disease
There
products.
49. Those are environmentally-friendly
Those products
50. The weather is bad. Take plenty of warm clothes.
Take
(UNLESS)
(TO)
(IN CASE)