英语（根据句意,用所给词的适当形式填空.）准确
1.I know Kate has a sister.But I don't Know_____name.(she)
2._____Mary's friends_____her a new bag?(give)
3.—Whose dresses are these?Are they_____,Lucy?(your)
4.Jim's shoes are too old,so____mum gives______a pair of new shoes.(he)