Why are marine organisms good candidates for fossilization?
A.It take longer for them to be preserved
B.They have more fleshy structures than land organisms
C.The water  environment speeds the decay caused by bacteria
D.It is likely that they will  be buried rapidly

They have been writing to each others since they were children.
A.have been writing
B.each others
C.since
D.were

Mark the letter A, B, C, or D on your answer sheet to indicate the word CLOSEST in meaning to the underlined word in each of the following questions.
She is always diplomatic when she deals with angry students.
 
A. strict       
B. outspoken
C.tactful    
D. firm

My job is so _________ that I don't think I'll be able to take a summer break.
A.persisting  
B.hard 
C.tough  
D.demanding

The school required that every student _________before September 1st .
A. was registered     
B. registered    
C. registers
D. register

Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.

A.used     
B.planted                   
C.flooded                  
D.transmitted

Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part is pronounced differently from that of the rest in each of the following questions.
(48)
A.walked
B.helped
C.jumped
D.explained

__________(50)
A.fly 
B.in         
C.go     
D. out

Choose the word or phrase that best fits the blank space in the following passage. (vận dụng)
The 15th Asian Games (36) _____ from December 1 through December 15, 2006, in Doha, Capital of Qatar. More than 10,000 athletes, who represented 45 countries and regions, took part in 39 sports and 424 events of the Games, the most important event in Asia. Some new events such as chess and triathlon were also (37) _____ in the Games.
The 15th Asian Games was organized at 34 sporting venues, including Khalifa Stadium, which (38) _____ the opening and closing ceremonies. The Opening Ceremony of the 15th Asian Games, Doha 2006, at Khalifa Stadium, was the most spectacular opening of any Games with 50,000 people to get into Khalifa Stadium and more than one billion television (39) _____ The Doha Asian Games Organizing Committee (DAGOC) wanted to ensure that everybody who saw the ceremony would have a memory for life as suggested in the slogan "The Games of Your Life." The 15h Asian Games was a successful sporting event that all (40) _____ would never forget. Everyone is looking forward to the 16th Asian Games, which will be held in Guangzhou, China, from November 2 to November 18, 2010.
(38)
A.held
B.occurred
C.took
D.hosted

I haven't decided  yet whether to move or not.    Mind
A.I haven't been making up my mind whether to move or not.
B. 
I haven't made up my mind whether to move or not.
 
C.I haven't made up one's mind whether to move or not.
D.I haven't made up my mind whether moving or not.