A:当地人用铁犁牛耕劳动
B:丝绸、白瓷、唐三彩是常见的商品
C:粉彩瓷、活字版佛经深受欢迎
D:部分地区用坎儿井灌溉农田
How long does it _______to go there by plane?
The writer will let me have a copy of his new book as soon as it .
1,2,4,7,11,____,22,29;
1,2,4,8,16,____,64,128;
1,1,1,1,4,7,13,____;
0,1,3,8,21,55,____,____.