What is usually exhidited in the science museum of london ? how many working exhibits are there in the museum? what can visitors experience in the children's favourite corner? what do the collections of the museum demonstrate? is there such a museum in our countrt? what in it

How many working exhibits are there in the Museum

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1e 2a 3d 4b 5c
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1) My nephew played puzzles yesterday. 
2) They bought a new semi-detached house last month. 
3) We have  already done the washing up. 
4) I have taken out rubbish. 
5) What did you  do yesterday? 
6) What have you  done?
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1b
2b
3a
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Sandwiches were great favorites in …Victorian…….England. It was a tradition to take an afternoon tea at about 5…o’clock….., and many rich families …ate…. sandwiches at that time. Cucumber sandwiches were very …popular……. At that time sandwiches were very small and delicate. They are less elegant now and often much bigger. The English eat …millions…..of sandwiches every day. They are a typical "snack”(перекус) meal because they are easy and quick to prepare. You…can…. buy sandwiches if you do not want to make them yourself.
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1 I have already tidied my room, swept the floor, taken out yhe rubbish and laid the table.
2. Nick lived in a mansion many years ago.
3. The British are sweet teeth.
4  Boil,peel and chop eggs for the salad.
5. I gave up smoking last year. You also can get rid of this bad habit.
6. We get on with our teachers and parents.

I will stay at home if it rains this afternoonIf my brother goes abroad, I will be very worriedYou won't earn any money if you don't work more hoursMellissa will be able to go out if she doesn't finish her homeworkIf I go to the supermarket later, I will buy some tomatoesPeter will get wet if he doesn't take and umbrellaIf I find the book you lent me, I will give it back to youThey will be angry if we don't visit themWhat will happen if you don't go..Many workers will lose their jobs if that factory closes downI won't buy a bigger house if I don't get promotedIf he doesn't finish the vegetables, he won't have a dessertMy uncle will be able to go to the opera if remembers to get...If you don't put sugar.., it won't taste...if you don't hurry up, you will be late..Christopher will be so happy if he finds. .your motorbike won't break down if the mechanic checks itif you don't take aspirin, your headache won't disappear

Объяснение:

First Conditional в английском языке нужен для того чтобы описать возможный результат в будущем при определенных действиях в настоящем. Например: если ты будешь много заниматься, то ты обязательно поступишь в университет. If you study a lot, you will definitely enter the university. Важно помнить что хотя мы на русском говорим в будущем времени (если будешь заниматься), то в английском после слова if (если) нужно использовать настоящее время (Present Simple).Структура предложения: if+существительное (noun)+ verb in present simple, существительное+ will+ начальная форма глагола без to