Nowadays, it’s a challenge to protect your ______, for your personal information is everywhere.
----You _______ part in the party in time. ----Sorry I was delayed by the accident.
The girl looked at me with a ______expression. Maybe the problem was quite _____.
--Would you mind my sitting here for a moment? --______.
_____ in the mountains for a week, the two students were finally saved by the local police.
She explained it again to make herself _______ by the audiences.