If a web page asks for some personal information, you need to find out if the page is __________ or not.

Today the Red Cross provides a number of services for the public, such as helping people________, teaching first aid and providing blood

I drove to Zhuhai for the air show last week.—Is that__________you had a few days off?

Peter’s jacket looked just the same as Jack’s, but it cost _____his. [ ]

Thanks for ____me to the party.