—I'm afraid you        .

Those bottles are plastic.

    Albert Einstein was born in Germany11879. As a boy he was not happy at school. He seemed to be2than others and he often didn't pass his exams. Most of his teachers did not like him. His3, however, loved him very much. They often said to the teachers, "Albert is a clever boy. He didn't pass some of the exams because he had no interest in those subjects." They4their son would do something great. One day, the Einsteins and their friends were having a picnic by the riverside. Someone said, "See5 happily the other children are playing and laughing, but not Albert. He is just sitting and looking at the river." Albert's mother heard this and said, "Albert is quiet, because he's thinking. Let's wait and see. He'll become a great scientist, I believe."

    She was6Later, Albert became one of the greatest scientists in the world. He won the Nobel Prize for Physics in 1921.

—She        .