I’m certain Luisa was on top of the world when his wife gave birth to their first child.
A.Lusia must be on the top of the world when his wife gave birth to their first child.
B.Luisa must have been on the top of the world when his wife gave birth to their first child.
C.Luisa could have been on the top of the world when his wife gave birth to their first child.
D.Luisa may be very on the top of the world when his wife gave birth to their first child.

Our neighbours are normally very noisy, but they're being _____this evening.
A.unusually quietly
B.unusual quiet
C.unusually quiet
D.unusual quietly

The workers only stop the walkout after a new pay offer.
A.Not until a new pay was offered, the workers stop the walkout.
B.A new pay was offered, which made the walkout stop.
C.The workers stop the walkout only when a new pay offer.
D.Not until a new pay was offered did the workers stop the walkout.

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Before they came to the party, Jane ________ all the things needed.
A.had prepared
B.prepared
C.was preparing
D.has prepared

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
The teacher was explaining the lesson slowly and clearly ________.
A.in order that his students can understand it
B.in order to his students understand it
C.so as to that his students could understand it
D.so that his students could understand it

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
It was such a/ an ________ book about environmental problems.
A.weather-beaten
B.thought-provoking
C.absent-minded
D.ill-behaved

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Nowadays, it’s become ______ common to offer guests the Wi-Fi password along with a cup of tea.
A.increased
B.increasing
C.increasingly
D.increase

Why does the writer use the example of the aeroplane?
A.To explain how space travel started.
B.To explain why transport changed in the 20th century.
C.Because he thinks It's the most important invention in history.
D.To show how an invention developed quickly.

What does the writer say about space solar power?
A.It's an old idea, but people are only starting to develop it now.
B.It's much easier to build a solar power station in space than on Earth.
C.It's a science fiction idea, and nobody really thinks it will work.
D.People tried it in 1941, but they didn't succeed.

________(30)
A.pronouncing
B.speaking
C.reading
D.telling