People educated about forest fires, fires won't destroy forest!
Streets will be cleaner, if cities were nicer places to live
If people plant more trees, they will have more oxygen.
1. a week ago
2. recently
3. yesterday
4. last Sunday
5. long ago
Is it a box ?
Is he a doctor ?
Is the doctor at home ?
Are the pupils at home ?
Are we ready ?
Are they cakes ?
Have they got cakes?
Is it a cake ?
Has the fox got a cake ?
Can she take the cake ?
Must she take the cake ?
Would she like a cake ?
Would they like a cake ?
Must they make a cake ?
Can we make a cake ?