Why are you so depressed? —I _____ my MP4 player on the bus

How is the boy?—Sorry.He__________though the doctor made every effort to save him.

When he realized the police had seen him, the man ________the exit as quickly as possible.

English is difficult for me. I don’t know how to learn it well.— You can try to learn English by _____ English movies.

arents encourage their children totake an active part in social events, ______ those events do not interfere withtheir studies.