Find a mistake in the four underlined parts of the sentence and correct it:
Sales of the newest computer have doubled since the past eight months.
A. Sales
B. newest
C. have
D. since

Choose the best answer for the following sentence:
We can now hold long distance meetings ____________ which the participants cansee each other on a screen. 
A. in            
B. with               
C.  of              
D.  for

Choose a word that has different stress pattern:
children                      enjoy                        above                       create
A. children                      
B. enjoy                        
C. above                       
D. create

Choose the best answer for the following sentence:
Computers are used to process information which is called _____________.
A.  software  
B.  camcorder   
C. document   
D. data

Choose a word that has different stress pattern:
interesting                       direction                       knowledge                    narrow
A. interesting                       
B. direction                       
C. knowledge                   
D.  narrow

Choose one sentence that has the same meaning as the root one:
Peter has hardly worked since April.
A. Peter has been fully employed.
B. Peter has worked very well.
C. Peter has done very little work.
D. Peter hasn't worked at all.

Choose the word that has the underlined part pronounced differently from the rest:
found                     southern                    tough                     rough
A. found                     
B. southern                    
C. tough                     
D. rough

Cho phương trình : $2{{x}^{2}}+x-1=0$ có tập nghiệm là:
A. $\left\{ -1 \right\}$ 
B. $\left\{ -1;-\frac{1}{2} \right\}$
C. $\left\{ -1;\frac{1}{2} \right\}$
D. $\varnothing $

Find a mistake in the four underlined parts of the sentence and correct it:
The station calls out variable reasons forthe delay of the train.
A. calls out
B. variable
C. delay
D. the train

Choose the best answer for the following sentence:
There was no one in the house, but the _____________ of the meal lay on the table. 
A. remains              
B. remainders                     
C. ruins                        
D. records