Mike spends a lot of his spare time on computergames— So does my son The children have becomehopelessly ________the games

US First Lady Michelle Obama encouraged（鼓励）students to study abroad in her ____when visiting Peking University (北京大学) on March 22, 2014.

Never _________ your dream. If you keep iton, you’ll achieve it one day.

I, who ______ your close friend, will try my best to help you out of trouble.

_________ his dream he has to study harder than before.