【简答题】Complete the
sentences with the correct prepositions of time. America's space
shuttle program operated ____ 30 years, ____ 1981 ____ 2011. The
shuttles flew into space and back. They carried astronaut...
【简答题】He came again the next day and worked until it was time to leave. His name was Jerry. He was 12 and had been at the Children’s Home(孤儿院)since he was only four. I thought of him. He was honest(诚实). Fo...