— Thanks for your help.— Don’t mention it. I _______ offered some advice.

I came here       to see you.

—Why are you so late?—The driver couldn’t see clearly because of the fog．____, the road was too icy．

The airline stewardess (空姐) said to passengers on ______ with a beautiful smile, “welcome _________!”

After watching a movie Avatar, Mary lay in bed with her eyes ______ open while all her family were ______ asleep．