2). 1.good-bad,2.expensive-cheap,3.beautiful-ugly,4.tall-short,5.empty-full; 3) 1.get dressed,2.take the dog for a walk,3.have a shower.4.do your homework,5.go shopping; 4). 1.tall,2.seven,3.one,4.nephew,5.Easter; 5). 1.wake up,2.until the evening,3.by bus,4.at the weekend,5.for lunch.