recognize/ recognition
①He was presented with a gold watch in _____ of his service to the company.
②The World Health Organization has _____ Net addition(网瘾)as an illness.
request/ command
①The fire officer _____ everyone to leave the building.
②All the club members are _____ to attend the party.
express/ expression
①Many people _____ their sadness for the death of Qian Xuesen.
②I decided to go to the meeting as an _____ of support.
accent/ dialect
①The people over there speak a Tibetan _____.
②He noticed that I spoken with a southern _____.
east/ eastern
①He turned and walked away towards the _____.
②It was said that there was a bright light in the _____ sky at that time.