Choose the best answer to complete each unfinished sentence, substitutes the underlined part, or has a close meaning to the original one.
World Wide Fund for Nature was formed to do the mission of the preservation of biological diversity, sustainable use of natural resources, and the reduction of pollution and wasteful consumption.
A.contamination 
B.energy 
C.extinction   
D.development

We invited fifty people to the party, but only fifteen ..............
A.turned off
B.turned down
C.turned up
D.turned in

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
- Jean: “Why didn’t you tell me about the plans for the merge?” - Jack: “I would have told you _______.”
A.if you asked me to     
B.had you asked me to
C.you had asked to me           
D.you were asking me

________(50)
A.take on 
B.log on
C.log off
D.switch on

He went _________ a bad cold just before Christmas.
A.down with
B.in for 
C.over
D.through

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 19 to 23.
Culture Clash
In Africa a famous food company tried to sell its baby food by advertising it with the picture of a baby on the label. They did not know that this particular country used labels only to (19)_________ a picture of the food inside. When Pepsico used the slogan "Come alive with Pepsi' in Taiwan, they had no idea that it would be translated into Chinese as 'Pepsi (20) ________  your ancestors back from the dead’.
Misunderstandings such as these about language or about culture are sometimes comical but can also cause genuine hurt or anger. Business styles (21) ________ widely in different countries and what is normal in one culture can be completely unacceptable in another.
Socialising in different countries can be tricky. In Arabic countries, for example, people do not discuss business (22) _________ meals. Giving gifts is another potential problem: in the UK most people take presents to a dinner party, but in many countries this is not polite because it (23) _________ you think the host is poor.
(23) 
A.recommends           
B.indicates                  
C.suggests
D.proposes

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.
John cannot make a __________ to get married to Mary or stay single until he can afford a house and a car.
A.decisive
B.decide                        
C.decisively                  
D.decision

Mark the letter A, B, C or D to indicate the best answer to complete each of the following sentences.
The new Vietnamese alphabet, which                                      by Vice Professor Bui Hien recently, is having a negative effect from the social network.
A.was proposed   
B.has proposed  
C.has been proposed
D.is proposed

"I want to be a footballer." Tom said.
A.Tom said that he had wanted to be a footballer.
B.Tom said that he wanted to be a footballer.
C.Tom said that he has wanted to be a footballer.
D.Tom said that he wanted to had to be a footballer.

(30) 
A.to prepare     
B.to be prepared     
C.being prepared  
D.preparing