17,19 думаю сделаете​

i have worked hard to improve my english. joan does not have to go.she can stay here.i am sorry i am late.i had to do the shopping.i think the spacemen have to know english.does she have to read this rule.tom does not have to use the computer. you have to know english to understand people.does mary have to help ann to study english.what time do you have to get up.does your teacher have to correct your homework.

christmans - christmas, in modern england on which a lot of tradition are most usual people. in england it has taken place december, 25. today it is business " creation of money by shops " which has now tradition: most people do(make) tradition of purchase of gifts for their members of family. people also buy christmans a tree. this tradition has arrived from germany. it was in the nineteenth century. each christmas, london receives a gift from people of the christmas fur-tree of norway - a which is 23 meters in height. it costs(stands) in the centre of london, in trafalgar the square (area), and it is decorated with 500 white fires. christmans - time is members of family. in evening (night) people gather when christmas. celebrating christmas is christmas dinner and at hearing квиха christmas - christmans when queen speaks directly to "its("her") people on tv and by radio. there are many royal traditions in england. the telegram of queen - not so old tradition, but it - very much old men. each british person receives the telegram from queen on them ohe-сотой-части. change (replacement) it - very beautiful tradition. each morning tourists go to observe ceremohy in the buckingham palace. at 11.30 protection which faces to change (replacement) of a palace. words which need to be inserted; protection, speech, was introced, includes, is connected, the case, is celebrated to follow, mark, is kept, unites anniversary.

1. использование нового оборудования позволило свести к минимуму число рабочих. 2. компьютеры контролируют почти все, что мы делаем в современной жизни. 3. мы использовали словари, когда мы писали тест в прошлый понедельник. 4. я никогда не забуду эту романтическую .

1. she wasn't invited to the party (by them).

2. the windows weren't left open (by me).

3. the light wasn't turned off (by them).

4. some friends has been invited to tea (by me).

5. an english book has been given to me (by her).

6. has the letter been written yet?

7. a lot of interesting things have been told to us (by them).