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

Choose the best answer for the following sentence:
The goal keeper is the only player allowed to touch the ball ___________ the hands while the ball is __________ play.
 
A. with / in                 
B. by / on                
C. in / at                 
D. on / by

Choose the best answer for the following sentence:
The Internet is an important ____________ of communication in modern world.
A. mean 
B. means
C. meaning 
D. meaningful

Choose the best answer for the following sentence:
The teacher _________ them that she was going to hold a English-speaking club. 
A. says                    
B. said                 
C. told                    
D. tells

Choose the best answer for the following sentence:
I think love movies are not good _________ children.  
A. at            
B. for               
C. on             
D. with

Choose the best answer for the following sentence:
When ____________________ sport?
A. do you usually play 
B. do you play usually
C. you usually play 
D. you play usually

Choose a word that has different stress pattern:
impossible                     society                     encouraging                    obviously
A. impossible                     
B. society                     
C. encouraging                    
D. obviously

Choose the word that has the underlined part pronounced differently from the rest:  
homework                   opposite                   possible                    comic
A. homework           
B. opposite             
C. possible            
D. comic