What will people die of in 100 years? If you think that is a simple question, you ______ attention to the revolution taking place in biotechnology.
You didn’t take his advice. his advice, you such a mistake.
Mary is ill today. If she , she absent from school.
You know, he doesn’t money. His unhappiness is forcourage to face the fact.
All his friends tried their best to persuade him not to more work because of his poor health.
Albert Einstein wasto leave his homelandpolitical reasons during the Second World War.