Here are the completed sentences using the provided words:

1. She asked if they had seen the Grand Canyon the previous week.
2. My friend suggested that I apply for the position.
3. English is a language that many people choose to learn because it is considered a global language.
4. Ms. Ruby, who is wearing a red dress, is my teacher.
5. I recommend that Anna attend online courses to improve her English skills and knowledge.
6. I suggest that you read a book instead of watching TV before bed.
7. Anna advises using public transportation to reduce carbon emissions.
8. I live in a city which is north of Vietnam.
9. Earth is the third planet from the Sun in our solar system.
10. Some students want to become tour guides because they find the job exciting.