2.16 choose the correct time expression: 1. karen usually cooks dinner in the evening / now.2. it isn’t snowing at the moment / at the weekend.3. are they having a piano lesson every monday / now? 4. do you go out at present / at the weekend? 5. she seldom / at the moment visits her grandparents.6. paul is repairing his bike on monday / at the moment.7. they’re running to catch the bus now / at night.2.17 put the verbs into the correct form: present continuous or present simple: tony hunt, a journalist, is interviewing leila markham, an environmental scientist.t.: so tell me, leila, why is it important to save the rainforests? l.: there a number of reasons. one is that many plants which could be useful in medicine …… (grow) in the rain forest. we …… (not / know) all the plants, but there are thousands and thousands of them. researches …… (try) to discover their secrets before they are destroyed.t.: i see. what other reasons are there? l.: well, have you heard that the world …… (get) warmer? t.: do you mean what scientists call “global warming”? l.: that’s right. the rainforests have always had an important influence on our weather. they …… (disappear) at a terrifying rate and people …… (not / do) enough to save them.t.: but i …… (enjoy) warm sunshine. is global warming really such a problem? l.: you know that the polar regions …… (consist) of millions tons of ice. if they …… (melt), the level of the sea will rise and cause terrible floods. many scientists …… (believe) that temperatures …… (already / rise we must do everything we can to prevent global warming, and that includes preserving the rainforests! t.: thank you, leila, and good luck in your camping.l.: thank you.2.18 choose the correct alternative: from: pedro martinezto: karen millersubject: trip to englandhi, kareni’m having / i have a great time here in england. my college term isn’t starting / doesn’t start until next month, so i’m taking / i take the opportunity to earn some money. i’m staying / i stay with my english friend, robby. his parents are owning / own a software business. in the evenings i’m driving / i drive into london to go clubbing. i’m making / i make a lot of new friends.i think / i’m thinking my pronunciation is much better than when i arrived, and i’m understanding / i understand almost everything now. on weekends i’m helping / i help robbie’s dad. at the moment he’s working / he works on a new website and he’s needing / he needs help with it. it’s quite tiring work, but i’m liking / i like it and i’m learning / i learn some really useful stuff about the web.do you come / are you coming to visit me soon? i’m spending / i spend the winter holiday here at robbie’s. his parents are wanting / want to meet you and there’s plenty of space. but you must bring your warmest clothes. it’s getting / it gets very cold here in the winter.let me know as soon as you’re deciding / you decide. and tell me what you’re doing / you do these days. do you miss me? love, pedro.​