When I first met Doris I didn’t like her, but I ______ my mind.
As a young man, Comrade Zhou Enlai ________the student's movements and later ________the Communist Party of China.
Actually, information technology can ________ the gap between the poor and the rich because all can get what they want at the same time.
He telephoned the travel agency to ________ three air tickets to London.
I'm tired out.I ________ all afternoon and I don't seem to have finished anything.
I've become good friends with several of the students in my school ________ I met in the English speech contest last year.