根据短文内容，判断句子的正误，对的填 “ T ”，错的填 “ F ”。 Mrs. White has two children. Tommy is seven, and Annie is four. Tommy goes to school, but Annie doesn't. When Tommy is at home, he often plays with Annie. Usually he's very nice to his little sister. One day the two children are playing at home. Suddenly Annie begins to cry. Their mother runs over and asks,'Why are you crying?' 'Tommy breaks (打破) my doll,' says Annie. 'How does he break it?' 'I hit (打) him on the head with it.' Says Annie. (     )1. Tommy and Annie are Mrs. White's children. (     )2. Tommy is Annie's younger brother. (     )3. Tommy often plays with Annie. (     )4. The mother runs over because Annie is crying. (     )5. Tommy hits Annie on the head with the doll.