Use a/an where necessary.
1 The road is closed. There’s been -------------- accident .
2. Listen! Can you hear ---------- music ?
3 I couldn’t get into the house. I didn’t have ---------------- key .
4 It’s very warm today. Why are you wearing ----------------- coat?
5 Would you like ---------------- ice in your drink?
6 Are you hungry? Have ------------------biscuit!
7 Our lives would be very difficult without ----------------- electricity .
8 Excuse me, can I ask you ---------------- question?
9 I’m not ready yet. Can you wait ---------------- moment, please?
10 The heart pumps ----------------- blood through the body.
