Решите ! a: will you stay with us for the weekend ? b: 2.a: did columbus discover america in 1492 1592 ? b: in 1492 , i think , but a: let's hind out . 3.a: viktor speak english and franch , doesn't he ? b: i'm that he does . 4: a: is canada bigger or smaller than the usa ? b: i don't know geography very well .