1. The experiment was prepared by the laboratory assistant by seven p.m. yesterday.
2. Our life has been changed greatly with the appearance of electricity.
3. The exams were passed by the students by last Tuesday.
4. By next week our tests will have been examined by the teacher.
Слово «dry» в present continuous будут писаться как «drying»
Moscow
14/03/2019
Dear Colin,
Thanks for your letter. Sorry I have not been in touch for so long.
As for me, I think that people should keep pet at home because animals make us laugh, feel their love. Of course, pets are our best friends. I suppose that teenagers should take care of their animals. They must feed them, walk them and play with their pets.
Anyway, I have to go now, because I must do my homework. Drop me a letter when you have time.
Best wishes,
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