No one knows what _______ in fifty years.

下列加横线的词语中，读音全都相同的一组是（ ）

Mary is flying to France soon. She willarrive ______ London _____ the morning of July 19.

your mother free at the weekend—No. She has much work to do.

Students who graduate with work experience will be given more ______ than those who have never worked in any company.