第一步：前面名词能直接插进去，定语从句，填 which， that， who， whom中的一个
where， why， how
Are you facing a situation that looks impossible to fix？
In 1969，the pollution was terrible along the Cuyahoga River Cleveland， Ohio. It _61____（be）unimaginable that it could ever be cleaned up. The river was so polluted that it ____62____（actual） caught fire and burned. Now， years later， this river is one of _63___most outstanding examples of environmental cleanup.
But the river wasn’t changed in a few days __64____even a few months. It took years of work__65______（reduce ） the industrial pollution and clean the water. Finally， that hard work paid off and now the water in the river is___66_____（clean） than ever.
Maybe you are facing an impossible situation. Maybe you leave a habit __67___is driving your family crazy. Possibly you drink too much or don’t know how to control your credit card use. When you face such an impossible situation ，don’t you want a quick fix and something to change immediately？
While there are ___68_______（amaze） stories of instant transformation， for most of us the___69_______（change） are gradual and require a lot of effort and work， like cleaning up a polluted river. Just be 70 （patience）.
to do and do
doing and doing
One morning， I was waiting at the bus stop， worried about __61___ （be） late for school.There were many people waiting at the bus stop， ___62____ some of them looked very anxious and ___63__（disappoint） . when the bus finally came， we all hurried on board. I got a place next ____64___ the window， so I had a good view of the sidewalk. A boy on a bike ____65___ （catch ） my attention. He was riding beside the bus and waving his arms. I heard a passenger behind me shouting to the driver， but he refused ____66___（stop） until we reached the next stop. Still， the boy kept ____67___（ride）. He was carrying something over his shoulder and shouting. Finally， when we came to the next stop， the boy ran up the door of the bus. I heard an excited conversation. Then the driver stood up and asked，“____68___ anyone lose a suitcase at the last stop？” A woman on the bus shouted， “Oh， dear! It ‘s ____69___ （I ）”. She pushed her way to the driver and took the suitcase thankfully， Five others on the bus began talking about what the boy had done and the crowd of strangers ___70__（sudden） became friendly to one another.
Last year， my brother and I went to Miami for a vacation. Some of my friends who had been there before said_16_____ was a wonderful holiday destination. Before we went， we had planned for months. When the day came， we were ready.
After our plane landed， we went to the hotel. We had made our reservation six months__17____ （early）， but the man at the front desk said there had been a mistake. We 18_____（tell）that our rooms hadn’t been reserved for that week， 19_____ for the week after. I didn’t understand 20____ this would happen and my credit card had already been charged______ the reservation. What’s worse， the hotel had been fully booked. When we were wondering what to do， the manager came out. She was 22_____（surprise）helpful. She apologized for the mistake and gave us a spare VIP room on 23_____ top floor. We had never stayed in such an amazing room， and we weren’t charged extra.
The next day， my brother and I went to the beach 24____ we watched some people play volleyball. We got a little_____（sunburn），but the day had been so relaxing that we didn’t mind.