выбрать правильный вариант 8. The liquid solutions will be dealt in this article.
a. on
b. upon
c. with
d. by
9. Oxygen ___ by heating mercuric oxide.
a. was obtained
b. are obtained
c. have been obtained
d. has been obtained
10. The Periodic Law widely ___ by chemists.
a. will be applied
b. will have been applied
c. is applied
d. has been applied

No talking in class!   Никаких разговоров в классе!

  We dissected the poem in class. Мы разбирали стихотворение в классе.   Students were yawning in class. Студенты зевали на занятии.
 You're not allowed to chew gum in class. Тебе не разрешается жевать жвачку в классе.

he was punished for misbehaving (himself) in class - его наказали за дурное поведение во время урока
   One boy had let off a firework in class.  - Один мальчик запустил фейерверк в классе.

he is below his schoolfellows in class - он отстаёт от других учеников в классе
  He was too shy to come sit by me in class. Он был слишком застенчив, чтобы сесть рядом со мной на занятиях.
  he played baseball in class D for two years он играл в бейсбол в классе D в течение двух лет  

Centre Christmas torzhevstv evlyaetsya London.Cherez Trafalgar Square London is held every year Christmas parad.V this parade uchuvstvuyut more than ten thousand hours chelovek.Posle last strike - open the front doors, let in the New Year. Before going to bed the children put on the table a plate for gifts that they bring Santa Claus,
and shoes put the hay - a feast for the donkey. All New Year's Eve street vendors selling toys, whistles, Tweeters, masks, balloons. In England, the arrival of the New Year heralds the bell.