I was once ashamed to admit my weakness, but now I have no such feeling and I _______    myself much discomfort.

The hostess kept talking with her mouth full of food，_____ all the guests embarrassed(尴尬的).

 To their great _______, they found their son arrived home safe before the storm.

— How are you, my dear?— Not so well． I've ___ the flu．

Due to the policy of free highway fees on major holidays, too many passenger cars are trapped on the highways, causing heavy traffic jams, some even _________ for several hours.