5. When__ the telephone__?
a.      Were_ invented
b.      Were  been _ invented
c.      Was_ invented
6.This picture _ in 2010.
a.      Is painted
b.      Was painted
c.      Were painted
7. Why is it__ the Empire State Building?
a.      Called
b.      Been called
c.      Have called
8. Every year new skyscrapers __ in our city.
a.      Were build
b.      Are built
Are builded.     
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Правильные ответы:

5. When __ the telephone __?
✅ a. Were invented
Правильное предложение: When was the telephone invented?
(Когда был изобретен телефон?)
Здесь используется Past Simple Passive: was/were + V3. Так как telephone — единственное число, нужно was invented, а не were invented.

6. This picture __ in 2010.
✅ b. Was painted
Правильное предложение: This picture was painted in 2010.
(Эта картина была написана в 2010 году.)
Картина — единственное число, поэтому was painted.

7. Why is it __ the Empire State Building?
✅ a. Called
Правильное предложение: Why is it called the Empire State Building?
(Почему это называется Эмпайр-стейт-билдинг?)
После is в пассивном залоге используется V3: is called.

8. Every year new skyscrapers __ in our city.
✅ b. Are built
Правильное предложение: Every year new skyscrapers are built in our city.
(Каждый год в нашем городе строят новые небоскребы.)
Skyscrapers — множественное число, поэтому are built.

Ответы:
5 — c. Was invented
6 — b. Was painted
7 — a. Called
8 — b. Are built