16. ---The farmer president was caught at last. ---Really? Where himself?
His mother left for work, __________ any of the dishes prepared for her.
The lady walked around the shops, __________ an eye out for bargains.
__________ the result of the examination, he went to the teacher's office to ask about it.
The news shocked the public, __________ to great concern about students' safety at school.
Have your ever been upset when __________ to yourself after your mobile phone battery runs out in the middle of a call?