1）He gave up the idea of fulfilling the task by himself but to ask for my help.
2)It began raining when he was ready to go outside.
3)I was not aware of his absence from class.
4)He devoted himself to reading novel without noticing my coming.
5)I will take account of the suggestion of going abroad for futher education.
6)I came across an old friend of mine when shopping yesterday.
7)He was regretful for achieving noting as a result of no effort was made when he was young.
8)It's time for us to actively take actions to fight against the pollution.
9)The mayor delivered a speech to all of the citizens on the new year's day .
10)I'll inform you of the meeting time in advance.