Viết lại câu ----- Nội dung dịch tự động từ ảnh ----- George Washington/be/American president. Frida Kahlo and Diego Rivera/be/ artist. The conference/ our university/ very successful. Barack Obama/live/ the White House/from 2009 to 2017. Humans/make/ the caves/about/a thousand year/ago. His uncle/not/lecturer/2020. I not learn/English/when/I/ in primary school.