适当形式：You __were__(be) thirteen years old last year.

适当形式：You __were__(be) thirteen years old last year. thirteen years old 与 thirteen -year-old的区别 thirteen years old与thirteen-year-old的区别 I this year thirteen years old 用所给词的适当形式填空：1.I______(be)twenty years old next year. 英语选词适当形式填空Bill was a thirteen-year-old schoolboy in the seve I _____(be)12 years old last year. were you eleven years old last year?改肯定句. _____ you 12 years old last year? yes, I _____ 13 years old They are ( ) students.A.thirteen years old B.thirteen-year o I am thirteen years old this year.(用two years ago代替this year You are ten years old 怎么换成be动词形式