anning to hold a party in the open air, but I can make no because it depends on the weather.

下列各句中，加下划线的熟语使用不恰当的一句是（ ）

Having retired from his business, he now ________ himself with the welfare of the disabled.

It often happens that people with good eyesight fail to seeis right in front of them.

______________________—It is OK.