Mark the letter A, B, C or D on your answer sheet to show the underlined part that needs correction in each of the following questions.
It is essential that cancer is diagnosed  and treated as early as  possible in order to assure a successful cure.    
A.is
B.diagnosed
C.as early as  
D.assure

I _____English here since I graduated from university.
A.taught
B.have taught
C.am teaching
D.teach

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
He looks for any excuse he can to blow off his _________ to do housework. 
A.commitment
B.obligation
C.assignment
D.responsibility

Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.
Because she was a few minutes late, she walked quietly into class and sat in the back of the room.
A.rambled                 
B.tiptoed                  
C.stumbled      
D.crawled

Many scientists _______ all their lives to working out answers to problems.
A.send
B.promote
C.spend
D.devote

III. Choose the word or phrase that best fits the blank space in each sentence or substitutes for the underlined word or phrase.
He was very ashamed ______ his friend's bad manner.
A.at                                        
B.of
C.on                           
D.through

Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions.
As a sociable boy, Jack enjoys spending his free time going out with friends.
A.caring
B.shy
C.mischievous
D.outgoing

The coach insisted that the athlete _________ training a month.
A.should start 
B.start    
C.starting    
D.A and B are correct

Mark the letter A,B,C, or D on your answer sheet to show the underline part that needs correction in each of the following questions
What we know about certain diseases are still not sufficient to prevent them from spreading easily among the population
A.easily
B.What we know about
C.from
D.are

I think I should have _____your mother while I was passing.
A.dropped in on
B.come up with
C.got on with
D.run into