——With 4G mobile phones, people can even see each other as they talk. ——Really? Would you show me it, please?
There were few doctors, _____ he had to work very hard _____ his own.
Many people were dying ________ they didn’t get to hospital quickly enough.
________ it is over, everyone helps wash the dishes.
You __________ there in ten minutes.
There are __________ stars in space.