根据汉语意思完成英文句子。
1. 微波炉可以用来煮饭。
A microwave oven can _____ _____ _____ cooking.
2. 我们如何解决这个严重的问题？
How do we _____ _____ the serious problem?
3. 至于索菲，她现在日子过得不错。
_____ _____ Sophie, she is doing fine.
4. 老师告诉我们噪音对我们的耳朵伤害很大。
The teacher told us that noise _____ very _____ _____ our ears.
5. 在每一项发明被发明出来之前，爱迪生总要做大量的实验。
Before each invention was invented, Thomas Edison always did _____ _____ _____ _____.
