Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
A large number of inventions and discoveries have been made _________ accident.
A.by
B.at
C.on
D.in

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Student will not be allowed into the exam room if they __________ their student cards.
A.didn’t produce              
B.don’t produce                 
C. produced             
D.hadn’t

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Although MERS (Middle East Respiratory Syndrome) spreads through close contact with sick people, not through the air, many people still avoid ___________ to crowded places.
A.to go                        
B.gone
C.having gone                         
D.going

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
________ the salesman promised to exchange the defective CD player for a new one, they insisted on getting a refund.
A.Despite 
B.But
C.Although
D.And

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Changes have been made in our primary schooling program. As a result, young children ________ do homework any more.
A.oughtn’t 
B.needn’t
C.couldn’t 
D.haven’t

Mark the letter A, B, C or D on your answer sheet to indicate the word that differs from the other three in the position of primary stress in  each of the following questions.

A.contain  
B.conceal
C.conquer 
D.conserve

Mark the letter A, B, C or D on your answer sheet to indicate the word that differs from the other three in the position of primary stress in  each of the following questions.

A.instrument
B.recipe
C.commitment
D.candidate

Use the correct form of the verb given in each bracket
My father (work)........................ for this company since 1994
A.
B.
C.
D.

Use the correct form of the verb given in each bracket
I can’t go home because it (rain) ..........................now
A.
B.
C.
D.

Use the correct form of the verb given in each bracket
The man (talk)..........................to John over there is my teacher of English 
A.
B.
C.
D.