Mark the letter A, B, C or D to indicate the correct answer to each of the following questions.
By the age of ten, Helen _______ Braille as well as the manual alphabet and even learned to use the typewriter
A.mastered
B.has mastered
C.had mastered
D.was mastering

Mark the letter A, B, C or D to indicate the correct answer to each of the following questions.
Tom: “Is your bicycle serviced regularly, Mike?” Mike: “_______”
A.Well, I did it yesterday
B.Yep, every two weeks
C.What did you mean?
D.How dare you?

Mark the letter A, B, C or D to indicate the correct answer to each of the following questions.
Ton That Tung, a pioneer in liver surgery, invented a technique, named after him, for operating _______ the liver
A.on
B.about
C.for
D.with

Mark the letter A, B, C or D to indicate the correct answer to each of the following questions.
Louis Pasteur invented the process of pasteurization and developed vaccines for several diseases _______ rabies
A.include
B.included
C.including
D.inclusive

Mark the letter A, B, C or D to indicate the correct answer to each of the following questions.
_______ research team is an effective way to prepare for class preparation of social studies such as history, geography, literature and economics.
A.Form
B.Forms
C.Forming
D.Formed

Mark the letter A, B, C or D to indicate the correct answer to each of the following questions.
When students work effectively in a _______ group, they can improve their achievement and satisfaction with their own study.
A.support
B.supporting
C.supportive
D.supportable

The food is ............... than the last time I ate it.
A.badder  
B.bad
C.worse  
D.worst

This one is prettier, but it costs………….. as the other one.
A.as much as        
B.twice as much        
C.as many                 
D.twice as many

“How tall is Yvonne?”. “She is …….as I am”.
A.as height      
B.so tall            
C.as same height  
D.the same height

Commercial centres are ………they were many years ago.
A.as popular than 
B.more popular than   
C.the most popular    
D.most popular than