1．Earthquakes worry people a lot. The reason is that we often do not know when they are coming. People can not prepare for it.
2．(2019·山东临沂重点中学联考)Twentyfive years later the traveler returned to the same place. What he saw amazed him. He could not believe his own eyes.
3．When you look at what great effects the climate has on our life, you will agree that it is the most serious problem.
4．What parents say and do usually has a lifelong effect on their children.
5．It never occurred to me that she could complete the task in such a short time.
6. What I want to know is whom you want to go to see the film with.
7．We are interested in whether you will attend the meeting.
