Answer Key

Exercise

Complete the sentences using one of the following words. Use a / an where necessary.

Biscuit, blood, coat, decision, electricity, key, letter, moment, question, sugar
  1. Our lives would be very difficult without  [electricity] .
  2. I couldn't get into the house because I didn't have  [a key] .
  3. Do you take  [sugar] in your tea?
  4. Excuse me, but can I ask you  [a question] ?
  5. We can't delay much longer. We have to make  [a decision] soon.
  6. Are you hungry? Would you like  [a biscuit] with your tea?
  7. The heart pumps  [blood] through the body.
  8. It's very warm today. Why are you wearing  [a coat] ?
  9. I'm not ready yet. Can you wait  [a moment] , please?
  10. I didn't phone them. I wrote  [a letter] instead.