The two neighboring countries have been _____ peace with each other for years, that is, they have lived _____peace with each other for a long time[ ]
She was told to wear flat shoes ________ her back problem
I like ____and _____.
Yesterday, Jack was asked to make _______ speech in ______ front of the classroom to report what he did during the National Day.
―Does he get to school by bike or on foot ― .