1)what a pity that the weather has changed for the worse.
2)we will not be able to go out of town and have a picnic.
3)he has promised to inform me about the news, as soon as their learns
4)why are you so angry?I quarreled with her mother
5)what report do now?
6)I missed the bus and I had to go to school on foot
7)how much time you need to learn these long poem by heart?
8)by the time all alone knew the truth about the experiment
9)he is so funny over him often laugh,
10)the teacher asked why I so often skip lessons