Some scientists think that a meteor impact, which occurred around 65 million years ago, may have caused the extinction of the dinasaurs.
A. The extinction of the dinosaurs could only have been caused by a meteor impact that occurred some 65 million years ago.                                                                     
B.According to some scientists, the extinction of the dinosaurs was caused by a meteor that struck Earth 65 million or so years ago.
C. Some scientists reckon that the impact of a meteor that struck Earth some 65 million years ago need not have caused the extinction of the dinosaurs.                       
D.In the opinion of some scientists, the extinction of the dinosaurs could have been the result of the impact of a meteor which occurred roughly 65 million years ago.

__________(5)
A.money
B.energy
C.time
D.water

________(10)
A.making
B.some
C.helping
D.doing

The past participle "home-schooled" in the first paragraph is best equivalent to "_______at home".
 
A.self-studied
B.untaught
C.taught
D.self-learned

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
The minister has, in a ________ of speaking, resigned.
A.form          
B.means    
C.kind         
D.manner

________ (4)
A.was sleeping
B.is sleeping
C.slept
D.sleeping

______(39)
A.which 
B.where
C. when       
D. that

A.cut                        
B.hurry                             
C.full                              
D.under

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.
I ……….the stairs and almost broke my neck!
A.fell out
B.fell off
C.tripped over
D.slipped

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
A public spending programme is out of the question in the current economical climate.
A.spending
B.is
C.the
D.economical