The Robinsons visited Peter and Carol's grandmother. When they arrived, their grandmother was looking up into a big tree in the garden and she was crying. Her cat, Tommy, was in the tree and she didn't know (A) [ what to do / to do ]. Mr. Robonson brought a ladder. Carol refused (B) [ to go / going ] up because she was wearing her new dress. Peter didn't want to rescue the cat either, but his pa..
In April 1945 when American President Roosevelt died, Vice President Harry Truman became President. Truman knew that the war in Europe would end soon. Still, it was hard for America (A) [ finding / to find ] a way to end the war in the Pacific Ocean. The Japanese army would never give up the war. In July 1945, the United States tested something. This was (D) so powerful that it could kill many p..
Many people realize that environmental pollution is very bad and it is getting worse. ( ① ) Using oil for energy is just one thing that causes pollution in the environment. ( ② ) Many factories pollute the air and water with the chemicals they use to make goods. People also pollute when they throw their trash away. ( ③ ) The problem of garbage seems to be too serious to solve. We are running out..