根据句意及首字母提示填写单词，使句子意思完整。
1.—Does the food t________ delicious?
—Yes. I like it very much.
2. Our English teacher is very s________ with us. He always keeps us standing when we
can't finish our homework.
3. Don't make so much n________.The baby is asleep.
4. Cycling can help us save energy and it can also a________ air pollution.
5. On New Year's Day,I often r________ postcards from my friends and my classmates.
