41. Breathing is something we do automatically, so we rarely think about it.
Because breathing is something we do automatically, we rarely think about it.
42. Stop wasting the water, or we won't have fresh water to use someday.
If we waste the water, we will not have fresh water to use someday.
43. We started writing to each other six years ago.
We have written to each other for 6 years
44. The city council has banned traffic from the city centre.
Traffic has been banned by the city council from city centre.
45. Georgia is a good pianist.
Georgia plays piano well.