While he was investigating ways to improve the telescope, Newton made ______ discovery which completely changed ______ man’s understanding of colour.
—So you haven’t been to France? —_____. How I wish to go there for a holiday!
Because he has been out of _____ work for months, the young man now depends on his parents for _____ living.
-Sorry,I shouldn’t have rushed you.一 .How about having a walk in the park beside the theatre?
To see a young couple loving each other is ;but to see an old couple loving each other is the best sight of all.
Only when you are living in a foreign country the importance of English.