---Does_______ have a dog?---Yes, I have a dog. She's nice to_______.
Scientists from different countries are trying to_______ a good way to solve the energy problem.
--- Good news. Li Na has become the first woman to reach a Grand Slam final.---Fantastic! Nothing sounds _________.
We should wear special boots __________ us floating away into the space .
---I’m too nervous to give a talk in front of so many people.--- _________, Maria. I think you can make it.
---Mr. Wu, I can’t understand everything in class.---Don’t worry! I’ll _______ the main points at the end.