( 1 ) I went to the seaside to spend my holid ay last summer holiday with my faily. One day, I was swimming in the river ___1___ someone shouted, “ Look out. There is a shark not far away!”On hearing the shout, I was scared to death _____2__ I was well aware of its dangerous characteristic. “ Just don’t worry, Tom!” my father said to me.“ but let’s go back to our hotel and we can avoid being harmed. We stayed in the seaside for about two weeks.____3___ the weather was much hotter than that In my hometown, I got used to it.Every morning, I got up earlier than my parents and went for breakfast ahead of time. Then I went to hasve a chat with my new friend, John,____4__ I happened to come across during my holiday. John was a native___5__ was familiar with the seaside well. He was a man with good qualification. Soon we became very good friends. __6___ we parted, we have been kept writing to each other. Now, I still often hear from him. We talked in our letter about things and persons ___7___ we remembered in the seaside.