e reason why he kept silent was that he had failed.Р7. Word came that medical workers were badly needed at the front.Р8. I don’t think that he e this afternoon.Р9. It’s important for us to form a good habit of studying.Р10. There is no doubt that English now is one of the world’s most widely used languages.Р1. The reason why he will e to Beijing is that they will have a scientific conference next month.Р2. The way (that / in which) he finished the work surprised all of us.Р3. She changed her mind again, which made all of us angry.Р1.Tired as he was, he stuck to his work.Р2.Great scientist as he is, he remains modest and works as an ordinary teacher at college.Р3. If you don’t want to run the risk of failure, you can have a try.Р4. Our teacher told us to make a mark where we have questions.