Living in a big city has many _____, such as good schools, libraries and convenient traffic.

--- Mum, I’m going to visit my aunt. What about a week? --- A week is too long. Try to be back in a ______ of days. 

But the unpleasant feeling of coldness disappeared at the _______ of his students pouring out of their classroom to give him a warm, wordless welcome.

There aren't ___ flowers in our garden.

---Mary was being badly treated when John happened to pass by and helped her out ---I think it was not a pure______but had been well planned.