Какая часть отсутствует в сложных словах: - child, - day, -friend, -house, -teacher?

Children, everyday, boyfriend, greenhouse, headteacher

1)there is a bookshelf with dictionaries in the classroom.

 

2)next year i’ll have four lessons of english every week.

 

3)yesterday hobbit went shopping and he bought a nice pen.

 

4)did you answer the questions at the last lesson? - no,idid not.

 

5)my little sister will go to school in two years.

We have three umbrellas at home. my sister has a large family. i have a lot of work to do today. he had very few friends in this town two years ago. she will have a nice dress tomorrow. these students have an english lesson today. they have no telephone in their flat. last autumn they had a lot of work in their garden.    у нас есть три зонтика дома.моя сестра имеет большую семью.у меня много работы сегодня.у него было мало друзей в этом городе два года назад.она будет иметь красивое платье завтра.у студентов сегодня урок .они не имеют телефона в своей квартире.осенью прошлого года у них было много работы в саду.