根据句意和首字母提示完成单词。
1. The microwave oven can help you h the food very quickly.
2. Can I borrow your pocket c ? This mathematical calculation is too difficult.
3. My favorite shoes are those with a heels, because I can move the heels up and down.
4. This kind of machine can be o____easily, so you needn't much skill to do the job.
5. I need a pair of s to wear at home.