Помогите решить. Можно писать только ответы без объяснения ​

Ответ:

3. 1 c 2 b 3 b 4. 1 a 2 b 3 a 5. 1.School uniform will be worn next year by pupils. 2.The naughty boy was punished by the old man last week. 3. Computers are usually used by students at their lessons.

Объяснение: