Ответ:

1. Many experiments ... ( are done/ did / were done ) under water last year . 2. This city ... ( is visit / is visited /will be visit ) by many people . 3. Trees and flowers . ( is be/ are be/ will be ) planted . 4. The windows ... ( has already been/ have already been/ had already been ) washed the girls . 5. Wales ... ( was settled / is settled / were settled ) by the Ceits in 500 . 6. The work ( have been done/ has been done/ had been done ) by the time he came home .

Объяснение:

правильный вариант ответа выделен жирным шрифтом

Ответ:

1. Many experiments were done under water last year.

2. This city is visited by many people.

3. Trees and flowers will be planted.

4. The windows have already been washed by the girls.

5. Wales were settled by the Ceits in 500.

6. The work had been done by the time he came home.

Объяснение: