阅读短文，回答问题。 Everyone in Mr. Brown's family is busy this weekend. Mr. Brown is going to the bank in the morning. Mrs. Brown is going to buy some food. Their daughter Ann is going to finish her homework. Ann's brother Tom is going to play computer games. And then, they're going to visit Ann and Tom's grandparents in the afternoon. They're going to go by subway because the Browns' house is far from theirs. 1. Is everyone busy this weekend? ________________________________________________________ 2. What's Mr. Brown going to do? ________________________________________________________ 3. Do Mr. and Mrs. Brown have two children? ________________________________________________________ 4. Does Tom have a sister? ________________________________________________________