Complete these dialogues with the present perfect or past simple form of these verbs.1 ‘ you ever up a skyscraper? ’ ‘yes, i up the willis tower in chicago. it stunning.’5 i arrived at the bus stop half an hour ago and i’m still waiting for the bus! for half an hour.4 find and correct the mistakes. there are three incorrect sentences.1 the temperature today has been falling by five degrees. it’s freezing! 2 life has become very difficult for those living in the city because of traffic.3 according to some experts, our quality of life has been getting steadily worse over the last few years.4 the residents have been waiting for a new eco-friendly plan since many years.5 my parents have moved to a semi-detached house two years ago.6 some people think that megacities have had a negative impact on the environment.5 choose the best answers to complete the text. be (×4) • go • grow • hear • increase • live • reach • see 2 ‘ youindian restaurant in town? ’‘yes, i there twice! ’3 ‘i the new exhibition at the contemporary art museum last weekend.’‘really? what’s it like? there discussion about it on social media.’about the new a lot ofthe number of children in japan (1) dramaticallyin recent years. in 2015, the number of children aged 15 and under (2) 16.17 million, about 13% of the population. as a consequence, the percentage of people aged 65 or over (3) a record high, making up over 25% of the population. according to the internal affairs and communications ministry, the number of children (4) so low (5) records began in 1950, when the ministry first started publishing these statistics. in 1950, children (6) up 35% of the population, or about one in three japanese. but then the number (7) to decline steadily, except during the baby boom in the 1970s. statistics show that the number of children (8) by more than 13 million (9) 1950! tokyo is the only city where there (10) an increase in the number of children over the last years – up by 14, 000, the ministry said.4 ‘how much the world population in the last decade? ’‘i’m not sure. i know it seven billion in 2012.’5 ‘where you up? ‘in this area. in the same house where i all my life.’