Choose the best answer for the following sentence:
Please be quiet while the teacher ___________ the lesson.
A. explains            
B. was explaining                  
C. is explaining                   
D. explained

Choose the word that has the underlined part pronounced differently from the rest:
path                  southern                   athlete                  south           
A. path                  
B. southern                         
C. athlete                  
D. south

Choose the best answer for the following sentence:
Can you bring the washing in if it _________? 
A. rains            
B. is going to rain                 
C.  raining                
D. rained

Choose the word that has the underlined part pronounced differently from the rest:
admission           television               tension             commission
A. admission           
B. television              
C. tension             
D. commission

Find a mistake in the four underlined parts of the sentence and correct it:
Though her difficult living condition, Marie worked extremely hard to earn a degree.
A. Though
B. extremely hard
C. to earn
D. a

Choose the correct sentence which is built from the words and phrases given:
Sea turtles / play / important roles / the ecosystems / the oceans / beaches//.
A. Sea turtles play importar.i roles for the ecosystems in the oceans and beaches.
B. Sea turtles play important roles in the ecosystems in the oceans and beaches.
C. Sea turtles play important roles of the ecosystems in the oceans and beaches.
D. Sea turtles play important roles with the ecosystems in the oceans and beaches.

Find a mistake in the four underlined parts of the sentence and correct it:
My sister is looking for a new job because her present one is very bored.
A. is looking for
B. because
C. her present one
D. bored

Find a mistake in the four underlined parts of the sentence and correct it:
Here's the computer program about that I told you.
A. the
B. about that
C. I
D. told you

Choose the best answer for the following sentence:
It is impossible _________ water with oil.
A. to mix 
B. mix 
C. mixing 
D. mixed

Choose the best answer for the following sentence:
Nowadays, more and more young people want to have a university _________ .
A. educate 
B. education 
C. educator  
D. educational