He left school early, and as an adolescent, determined ______  in South American, set off from his home.

I set _________ tomorrow on my journey to America.

The committee ___________ nine members.

The human mind can        many tasks that other animals cannot, like using language and judging what other people are thinking．

.He has __________________ the surroundings & now he is getting well on with his classmates;______________,he is treated as a normal student in the school.