205. my father is over 60 years old. 我父亲已年过六十了。 206. most of them are less than 30. 他们中大多数不到30岁。 207. i guess he's about 30. 我猜他大概30岁。 208. she's going to be 15 next month. 下个月她就满15了。 209. they'll have a party for their 10th wedding...