1. Your solution( giải pháp) is effective, but I don’t think it is more effective than__ __. (my / me / mine)

2. This vehicle can carry people to the moon, and __________is called a spaceship (itself / it / its)

3. Charlie will go in ______ new car to work tomorrow. (him / his / he)

4. Roadrunner is an electric car company. __ ____cars are very economical (My / It / Its)

5. Elon Musk is a billionaire with many grand ideas. Thus, _____ ____may try to build a Hyperloop in the next 9 years. (him / he / his)

6. This is ________paper._______ is on the table. (my / mine / me) - (You / Your/Yours)

7. When did the company introduce _________first model? (it / its)

8. Where is your house, Lucy? __________is opposite the museum. (Me / Mine / My)

9._______ have to protect the environment because it is ______responsibility. (We / Us / Our) - (us / our / we)

10. My essay is longer than____. It took _________an hour to complete yesterday. (you / yours / yourself) - (me / I / mine)