Ex.4. Write the sentences in Passive voice using an appropriate tense

1 Those skyscrapers were built by a well-known architect.

2 A short-length dress will be worn by my girlfriend.

3 My room is redecorated by me every summer.

4 The vegetables weren't frozen by him.

5 Badges are collected by my friend.

6 Jack's laptop will be used by him.

7 A bone was eaten by my dog yesterday.

Объяснение:

1.parents-родители.                                                                                                     2.our-наш.                                                                                                                   3.different-другой , иной , разный, непохожий.  

my younger brother had his birthday on sunday. i proposed to arrange  a birhday party/picnic for him and his friends. "not a bad idea! said my parents.we decided to spend  a weekend in the country. i was responsible  for the social programme.we played funny games and sports, sang songs,danced and took pictures.my brother and his friends enjoyed      the  picnic."that was great",he said and kissed me.

                  next year we are going to arrange a birthday picnic for my brother and his friends again.

остальные слова вставлять не требуется. по в - они не относятся к этому тексту.