The 20th Cup Opening Ceremony was held in Brazil _____ June 12th, 2014.A. in B. at C. on
The student is afraid _________ English with foreigners.
He would rather ________for himself than________for a meal.
It’s important_______us_______ to our teachers carefully in class.
It’s generous_____ him to donate_____ money to UNICEF.
Do you mind_________?