Thousands of antibiotics ______, but only about thirty are in common use today.
A.have developed
B.are developing
C.have been developed
D.have been developing

I wouldn’t really call John a friend. He is just ______________. I know him through my friends.
A.an acquaintance
B.a friend
C.a cousin
D.a pen pal

The dentist had to_______ the tooth as it was badly decayed.
A.put off
B.extract
C.extricate
D.eradicate

Choose one word which is pronounced differently from the other three. 

A.blind    
B.provide
C.invitation
D.decide

It is stated in the passage that the major problems of road transport in Britain and the US are ______.
 
A.speeding and bad roads
B.accidents and pollution
C.traffic jams and pollution
D.drink-driving and traffic jams

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.
He was driving very fast because he didn’t know the road was icy.
A.If he knew the road was icy, he wouldn’t drive so fast.
B.He hadn’t been driving very fast if he would have known the road was icy.
C.If he had known the road was icy, he wouldn’t have been driving so fast.
D.He wasn’t driving very fast if he would know the road was icy.

Mark the letter A, B, C, D on your answer sheet to indicate the word CLOSEST in meaning to the underlined word(s) in each of the following questions.
I could see the finish line and thought I was home and dry.
A.unsuccessful           
B.hopeful                   
C.successful               
D.hopeless

If Thang hadn’t quarreled with the bad boys at school, he_____ a black eye.
A.would have had  
B.hadn’t had    
C.won’t have had    
D.wouldn’t have had

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
There has been a great increase in retail sales, ______?
A.hasn’t there   
B.isn’t there         
C. isn’t it    
D.doesn’t it

A.from
B.on
C.with
D.at