.Though the teacher had tried to make the problem easy__________, still Lily and her partner were at a loss.
The old man took __________ the story where he left off.
The director made the demand that she __________ the dangerous place as soon as possible.
He was unable to make such progress, __________________.
The letters PLA __________ the People’s Liberation Army.
She finds her new jobs very __________ but she will never give it up.