Grammar passives

Is the sentence active (A) or passive (P)? Write A or P.

My sister Roberta claims to be too busy to help me.

Is the sentence active (A) or passive (P)? Write A or P.

It's well known that Beijing Capital International Airport is one of the busiest airports in the world.

Is the sentence active (A) or passive (P)? Write A or P.

I believe Barbara McClintock won the Nobel Prize in Physiology or Medicine in 1983 for her work in genetics.

Choose the correct option to complete the sentence.

It ___ that human actions are increasing the negative effects of climate change.

• is claimed

• claimed

• is known to be

• is thought to

Choose the correct option to complete the sentence.

In the 1950s, it ___ by some people that women should not play sports.

• believe

• were believed

• has been believed

• was believed

Choose the correct option to complete the sentence.

The Space Launch System ___ a major step along the road to putting people in space to explore Mars as well as other aspects of deep space.

• it's expected to be

• is expecting to be

• is expected to be

• has been expecting to be

Choose the correct option to complete the sentence.

Rewriting your notes after class ___ help you learn the material better.

• is known to be

• thought to

• is knowing to

• is thought to

Choose the correct option to complete the sentence.

___ that students who study every day get better grades.

• Thought

• It considered

• It's thinking

• It's well known

Choose the correct option to complete the sentence.

In the 1400s, many people ___ India's spices were the best in the world.

• were said

• said

• have generally accepted

• have been said

Choose the correct option to complete the sentence.

British archeologist Howard Carter ___ as the person who, in 1922, discovered Tutankhamun's tomb in Egypt.

• seemed

• is said

• considered

• is known