choose the correct answer
1 The Arabic numeral system _____ in India.
A is thought to have evolved
B is thought to evolve
A is thought to have evolved
It is believe that the murderer is no longer in the country.
believed
He is considered to ________ a good president. Everybody likes him.
a) have been
b) to be
c) that he is
b) to be
People think she is great.
She...
She is thought to be great.
2 The term ‘mathematics’ _____ by Pythagorus.
A is known to have been invented
B has been known to be invented
A is known to have been invented
The prime minister is expected to have announced his resignation tomorrow.
is expected to announce
The company is said _______ more than 100 million dollars only last month.
a) to have lost
b) to lose
c) that it's lost
a) to have lost
The police say that he is hiding in the city.
It...
It is said that he is hiding in the city.
3 _____ that the idea of numbers evolved gradually over time.
A There’s thought
B It is thought
B It is thought
The side effects of this drug are thought they have been severe.
are thought to be
It is thought that the competition _______ very tough.
a) to be
b) that the competition to have been
c) that the competition is going to be
c) that the competition is going to be
People considered the government had spent too much.
The government...
4 It _____ that mathematics contains the answers to all questions.
A could argue
B could be argued
B could be argued
There are estimated that be around three billion users of the Internet.
are estimated to be
The paintings are reported _______ destroyed in the fire.
a) to have been
b) that they were
c) to be
a) to have been
We are expecting an increase in temperature by tomorrow.
There...
There is expected an increase in temperature by tomorrow.
6 Ancient Egyptians are considered _____ to the development of mathematics.
A to contribute
B to have contributed
B to have contributed
She is believe to be an great worker.
believed
They estimate there are between 100 and 200 billion galaxies in the universe.
There ______________________________between 100 and 200 billion galaxies in the universe.
a) are estimated that have been
b) are estimated to be
c) are estimated to have
b) are estimated to be
People think that there were over twenty countries involved in the debate.
There...
There are thought to have been over twenty involved in the debate.