Complete the following sentences, using a word or a phrase

Complete the following sentences, using a word or a phrase.
1. If you don't work hard, you...................the exam.
2. Marie Curie,....................father was a Polish, was a French physicist.
3. Word population will continue to rise...................we try to reduce it.
4. The girl....................in front of the school gate is our new classmate.
5. Even..........................tired, Mrs.Hoa helped me with my homework.