Have you heard any news about Sarah—Yes, she was promoted to president of her company, __________surprised everyone.

Have you sold your house?—No. Last week only four people came to look at the house, _____ wanted to buy it.

_______thepeople have become masters of their country _______ science can really servethe people.

,is that John－__________a moment. He is coming.

Would you like juice— Yes， .