--What you for your vacation? --I plan to visit my grandparents.
--- Can you please tell me something about life in the future?---Oh, maybe in the future, people will _______ by robots.
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.