从方框中选出适当的短语，并用其正确形式填空。

have… in common     have connection with     be concerned about  on the increase        in response to

She open the door ___________ the knock.
The number of people asking to go there is ____________.
The little boy ____________ little ____________ with his father.
Where is Jane? All of us ___________ her safety.
The police found that his escape from prison ___________the murder.