1)1-а,2-b,3-c,4-c,5-a,6-b
2)cleaned, fed, watered, went, cooked, laid, made, done.
3)It's 9 o'clock
It's 10 to seven o'clock
It's twenty past 4 o'clock
It's a quater past 2 o'clock
It's forty minutes past ten o'clock
4)I wrote a letter to my sister
He didn't repair his bike last Saturday
It will be cloudy and windy tomorrow
Does she cook lunch and breakfast?
Where did they skate?
Why the children were happy