he was investigating ways to improve the telescope, Newton made______ discover which completely changed______man’s understanding of colour.

It is playing computer games _____spends so much time that he fails all the exams.[ ]

The boy wanted to play football in thestreet, but his parents told him ______.

d, you got hurt again. —Oh,________!

hirty years since we last met—-But I still remember the story, believe it or not,_____ we got lost on a rainy night