While he was investigating ways t improve the telescope Newton made _______discovery which completely changed ____ man’s understanding of color.
I know nothing about her ___ she is from the United States.
She thought I was talking about her daughter, ____, in fact, I was talking about my own daughter.
On my birthday I got a watch from my uncle, ___ was made in Japan.
I passed by the sports field the other day, __ there was a football match going on then.
__ every mistake you make, you’ll lose half a mark.