1 A tiger has paws, a sheep has hooves.
2 Fiona bought a candlestick yesterday.
3 There was a knock at the door.
4 It happened in a small village in the south of France.
5 Have you got a map of Europe? 6 When I was walking home I met a boy who was carrying a basket with a small puppy in it.
7 Even a child knows where the sun rises, and you don't.
8 I must send a telex.
9 - Where is John? - He has gone to the theate to listen to an opera.
10 A detective helps to find criminals.
вместо артиклей 'a' нужно вставить: one, some, any, certain, every.