1. The spokeswoman said flooding is the world's most expensive type of natural disaster because it causes extensive damage.
2. " This article isn't true in every detail about my latest medical invention" the young female scientist reveals.
3. If people in my neighborhood don't pollute the water sources, it won't be so unsafe.
4. If it isn't for the language barriers between them now, there won't be communication breakdowns.
5. By 2010, she travels alone eight times to English - speaking countries.
Chúc bạn học tốt!! ============================================
