1.He's already bought some pairs of glasses.改为疑问句 2.Mary's done (her homework)at school.对括号部分提问 3.Grandma has bought Judy many T-shirts.保持原意 4.We're going to leave home (at eleven thirty.)对括号部分提问
1 Is he already bought any pairs of glasses? 2 What has Mary done at school? 3 Grandma has bought many T-shirts for Judy. 4 When are you going to leave home?