----- Nội dung dịch tự động từ ảnh ----- 51 George Washington/be/ American president. 52 Frida Kahlo and Diego Rivera/be/ artist. 53 The conference/ our university/ very successful. 54 55 Barack Obama/live/ the White House/ from 2009 to 2017. Humans/make/ the caves/about/ a thousand year/ ago. His uncle/ not/ lecturer/ 2020. 56 57 I not learn/English/ when/ I/ in primary school. 58 You get up/ six yesterday morning? 59 Where/ his sister/visit/ her trip/ last summer? 60 What/ they/do/when/ they/kids?