1. 根据语境从方框中选择恰当的名词填空，必要时前面加适当的冠词

coat, decision, electricity, key, letter, moment, question, sugar

1. （1） I couldn't get into the house because I didn't have .
3. （2） It's very warm today. Why are you wearing?
5. （3） Do you take in your coffee?
7. （4） Our lives would be very difficult without.
9. （5） I didn't phone him. I wrote instead.
11. （6） Excuse me, but can I ask you?
13. （7） I'm not ready yet. Can you waitplease?
15. （8） We can't wait much longer. We have to makesoon.