阅读下面短文，选择最佳的答案。
Mrs. Peters works in a bank. She has two children--Sammy and Annie. Sammy is1 boy. He is seven years old. His sister Annie is four. Sammy goes to the2near his home and studies hard. When Sammy stays at home, he often3games with Annie while Mrs. Peters is busy doing housework. Sammy loves his sister very much and he is usually4to her.5sometimes something unhappy may happen.
One Saturday morning, Sammy and Annie were playing in the garden. Their mother was cooking. Suddenly Annie began to cry and ran to her mother in the6. Mrs. Peters asked," 7are you crying, Annie?"
"Sammy has broken my toy horse," Annie answered, crying8.
"How did he break it?" her mother asked. Annie9crying, but did not answer for a few seconds. Then she said, "I10him on the head with it." Hearing this, Mrs. Peters understood the whole thing.
