Task 4: Complete the following sentences in passive voice:
1. Alcohol (not sell) _______________ to anyone under 18.
2. Uniforms (often wear) _______________ in many British schools.
3. Your ice cream (keep) _______________ in the fridge now.
4. Buckingham Palace (build) _______________ in 1703.
5. The children (save) _______________ by the firefighters last night.
6. I (not bite) _______________ by a snake yet.