Jam about 7 years old.保持句意Jam ____ ____ about 7 years old.

Jam about 7 years old.保持句意Jam ____ ____ about 7 years old. 是at about ten years 还是for about ten years for about three years(提问) jam是什么意思 jam是什么意思 jam是什么意思 from 400 years ago和about 400 years ago 区别 how about your life in(r )years it was about 100 years ago Two years ago.about i love you. What about some jam OK.Please （ ）that.A.less B .less than C.few D.fewer than l am ten years old变一般疑问句,特殊疑问句和否定句,划线ten years ol am ten years old变一般疑问句,特殊疑问句和否定句,划线ten years old we lived in London for about three years?用for about three years提问 they lived in london for about three years 对for about three years 提问 We lived in America for about three years.[用for about three years提问] Mr Green Lived in China for about ten years.对for about ten years提问 Her uncle has lived there for about eight years.请对 for about eight years提问 I'm eleven years old ...What about you I'm eleven years old ...What about you