小题1:To London
小题2:For two weeks
小题3:Because their family find them easily
小题4:580-4436
小题5:She could be a teacher/ an office.
小题1:根据Here is something important for everyone going to London next month.可知答：To London
小题2:根据As you know, you are going to stay with a family for two weeks.可知答：For two weeks
小题3:根据You must remember to wear a red shirt, so the family will find you easily. 可知答：Because their family find them easily
小题4:根据I’ll give you the office phone number now: it’s 580-4436 可知填：580-4436
小题5:根据and the person to ask for is Mrs. Belcher…She’s in the office from nine o’clock in the morning until five in the afternoon every day.可知她可能是老师或者办公人员。故答：She could be a teacher/ an office.