I’ll never forget the good trick my classmates ________ on me when I was in the primary school.

When I talked with my grandma on the phone, she sounded weak, but by the time we ___ up, her voice had been full of life

 Vincent van Gogh’s paintings were at last _____ as works of genius.

Teenagers shouldn’t be _______ from school although they don’t do well in their studies. 

 He never    to help others in trouble because he is a kind-hearted man.