Сложное подлежащее the delegation is reported london. a. to leave b. to be left c. to have left

The delegation is reported ... London. c. to have left

Dear Oleg,

I was very glad to hear from you again. Sorry, I haven't written for ages because of my school activities. It was unteresting to know moreabout you and your family. You ask me about my school.
My school is large and light. There are three floors in it. There is a gym, a library, a canteen and a few classrooms on the ground floor. There are many classrooms and a teachers’ room от the first and on the second floors. Our classrooms are very large and light. There are twelve desks, a teacher’s table, a blackboard and many flowers in our classrooms. My school life is wonderful. There are lots of concerts, performances and sport competitions in our school. My classmates and I often take part in different school events. I have a lot of friends in my class.  Our teachers are kind and intelligent and my classmates are smart and friendly.  
Tell me a few words about you and your new school and friend. Have you joined any sport club? Do you like your teachers? That's for me today. I have to go now.

Best regards to your family.
Write soon.

Andrey

Do we need exams? Of course, yes! The exam tests how we have mastered the material, how we do sums, how we have learned to write essays, if we know the basic historical dates, how we have learned to live safely, if we know the continents and the continents and etc. What are the test exams? In my opinion,  it’s a waste of time. Sometimes someone just gets lucky, and he answers correctly. And sometimes he is out of luck. Tests may be solved without straining, just random. And it is bad, of course. I think the exam should not be a test. However, many smart people cannot pass their exams. Why? There are many reasons, and they are different. Often a person is formed only in the area where he is famous, and he knows everything about this science. Thus, the smartest physicists may not know the foreign languages ​​or poorly verse in literature. And vice versa. Sometimes a person is smart, but it does not mean that he is educated. These are different things. As for the exams, I prefer to take exams orally, because I have more opportunities to show my knowledge, looking into the eyes of my teacher- examinator.

Нужно ли нам экзамены? Конечно, да! Экзамены проверяют как мы освоили материал, что мы умеем решать, как мы научились писать сочинения, знаем ли мы основные исторические даты, научились ли мы жить безопасно, знаем ли мы материки и континенты и так далее.  Что такое тестовые экзамены? По-моему, это пустая трата времена. Иногда мне просто везет, и я отвечаю правильно. А иногда не везет. Тесты можно решать не напрягаясь, просто наугад. И это плохо. Мне кажется, экзамены не должны быть тестовыми. Однако, многие умные люди не могут сдать экзамены. Почему? Причин очень много и они разные. Часто человек образован только в той области, в которой он знаменит и знает всё. Так, умнейшие физики могут совсем не знать иностранных языков или плохо разбираются в литературе. И наоборот. Человек бывает умным, но это не значит, что он образованный. Это разные вещи. Что касается экзаменов, я предпочитаю сдавать экзамены устно, потому что у меня больше возможностей показать свои знания, глядя в глаза учителю-экзаменатору.