You 1) __ an accident if you 2) __ so fast.
I 1) __ him the news if I 2) __ him next week.
If we 1) __ the lights, we 2) __ electricity.
Peter 1) __ his exams if he 2) __ hard.
If we 1) __ to cut down trees, we 2) __ ecosystems.
We 1) __ air pollution if we 2) __ electric cars.
We 1) __ clean and fresh air if we 2) __ cutting down trees.
If we 1) __ filters in factories, we 2) __ the air.
Use the first conditional structure.
If it.... (snow), I..... (need) to buy a pair of gloves.
I...... (call) you when I get home.
If global warming continues, temperature ....... (rise) even higher.
If the water (be heated) to 100°C, it (boil).
Plants die if you (not/water) them.
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