1. Do you think we will ever send a person to Mars?
(Названия планет солнечной системы таких, как Mars, Venus, Jupiter и , а также их спутников, употребляются без артикля)
2. When you go to London, don't forget to see the London Eye.
3. When we use cars, we damage the environment.
4. I'm not telling lies. It's the truth.
5. I'm looking for a teacher who can teach me German.
6. Ray needs a warm hat and a new coat for his visit to Russia.
7. Dad has gone to work and forgotten the car keys.
8. Some people have unusual pets, such as lions or tigers.